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CERTFR-2023-ALE-011
Vulnerability from certfr_alerte
[Mise à jour du 02 novembre 2023]
La version 17.3.8a est disponible.
[Mise à jour du 31 octobre 2023]
Les détails techniques de la vulnérabilité CVE-2023-20198 sont désormais disponibles publiquement. Cette vulnérabilité était déjà massivement exploitée. Tous les équipements exposant l'interface de gestion Web d'IOS XE doivent être considérés comme compromis.
[Mise à jour du 30 octobre 2023]
Les versions 17.6.6a et 16.12.10a sont disponibles.
[Mise à jour du 23 octobre 2023]
Le 22 octobre 2023, Cisco a mis à jour son avis de sécurité pour ajouter la vulnérabilité CVE-2023-20273. Celle-ci est activement exploitée par les attaquants pour élever leurs privilèges à root après avoir créé un utilisateur de niveau 15. Cela leur permet de placer un implant sur le système de fichiers de l'équipement.
La version 17.9.4a corrige ces vulnérabilités pour la branche 17.9.x. La date de disponibilité des autres correctifs n'a pas été annoncée.
[Publication initiale]
Le 16 octobre 2023, Cisco a publié un avis de sécurité concernant la vulnérabilité CVE-2023-20198 affectant l'interface Web de gestion d'IOS XE (webui). Cette vulnérabilité permet à un attaquant non authentifié de créer un utilisateur disposant des privilèges de niveau 15. Cela donne accès à toutes les commandes et la possibilité de modifier la configuration de l'équipement vulnérable, ce qui revient à en prendre le contrôle complet. Le score CVSSv3 de cette vulnérabilité est de 10 (sur 10).
Cisco n'a pas encore publié de correctifs de sécurité pour la vulnérabilité CVE-2023-20198. De plus, l'éditeur indique que cette vulnérabilité est activement exploitée.
L'avis de l'éditeur documente les indicateurs de compromission permettant de rechercher des éventuelles exploitations de cette vulnérabilité.
Contournement provisoire
Dans l'attente des correctifs de sécurité, Cisco recommande de vérifier les configurations des différents équipements et de désactiver complétement l'interface webui (en HTTP et HTTPS) si celle-ci est activée.
Le CERT-FR rappelle que les interfaces de gestion ne doivent être accessibles que depuis un réseau d'administration sécurisé. Se référer aux recommandations de l'ANSSI relatives à l'administration sécurisée des systèmes d'information (cf. section Documentation)
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Vendor | Product | Description | ||
---|---|---|---|---|
Cisco | IOS XE | IOS XE versions 17.6.x antérieures à 17.6.6a | ||
Cisco | IOS XE | Cisco IOS XE si l'interface Web de gestion est accessible | ||
Cisco | IOS XE | IOS XE sur Catalyst 3650 et 3850 versions 16.12.x antérieures à 16.12.10a | ||
Cisco | IOS XE | IOS XE versions 17.3.x antérieures à 17.3.8a | ||
Cisco | IOS XE | IOS XE versions 17.9.x antérieures à 17.9.4a |
Title | Publication Time | Tags | |
---|---|---|---|
{ "$ref": "https://www.cert.ssi.gouv.fr/openapi.json", "affected_systems": [ { "description": "IOS XE versions 17.6.x ant\u00e9rieures \u00e0 17.6.6a", "product": { "name": "IOS XE", "vendor": { "name": "Cisco", "scada": false } } }, { "description": "Cisco IOS XE si l\u0027interface Web de gestion est accessible", "product": { "name": "IOS XE", "vendor": { "name": "Cisco", "scada": false } } }, { "description": "IOS XE sur Catalyst 3650 et 3850 versions 16.12.x ant\u00e9rieures \u00e0 16.12.10a", "product": { "name": "IOS XE", "vendor": { "name": "Cisco", "scada": false } } }, { "description": "IOS XE versions 17.3.x ant\u00e9rieures \u00e0 17.3.8a", "product": { "name": "IOS XE", "vendor": { "name": "Cisco", "scada": false } } }, { "description": "IOS XE versions 17.9.x ant\u00e9rieures \u00e0 17.9.4a", "product": { "name": "IOS XE", "vendor": { "name": "Cisco", "scada": false } } } ], "affected_systems_content": "", "closed_at": "2024-02-16", "content": "## Contournement provisoire\n\nDans l\u0027attente des correctifs de s\u00e9curit\u00e9, Cisco recommande de v\u00e9rifier\nles configurations des diff\u00e9rents \u00e9quipements et de \u003cu\u003ed\u00e9sactiver\ncompl\u00e9tement l\u0027interface *webui* (en HTTP et HTTPS)\u003c/u\u003e si celle-ci est\nactiv\u00e9e.\n\nLe CERT-FR rappelle que les interfaces de gestion ne doivent \u00eatre\naccessibles que depuis un r\u00e9seau d\u0027administration s\u00e9curis\u00e9. Se r\u00e9f\u00e9rer\naux recommandations de l\u0027ANSSI relatives \u00e0 l\u0027administration s\u00e9curis\u00e9e\ndes syst\u00e8mes d\u0027information (cf. section Documentation)\n\n## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).", "cves": [ { "name": "CVE-2023-20198", "url": "https://www.cve.org/CVERecord?id=CVE-2023-20198" }, { "name": "CVE-2023-20273", "url": "https://www.cve.org/CVERecord?id=CVE-2023-20273" } ], "initial_release_date": "2023-10-17T00:00:00", "last_revision_date": "2024-02-16T00:00:00", "links": [ { "title": "Avis CERT-FR CERTFR-2023-AVI-0878 du 23 octobre 2023", "url": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2023-AVI-0878/" }, { "title": "Recommandations de l\u0027ANSSI relatives \u00e0 l\u0027administration s\u00e9curis\u00e9e des syst\u00e8mes d\u0027information", "url": "https://www.ssi.gouv.fr/uploads/2018/04/anssi-guide-admin_securisee_si_v3-0.pdf" } ], "reference": "CERTFR-2023-ALE-011", "revisions": [ { "description": "Version initiale", "revision_date": "2023-10-17T00:00:00.000000" }, { "description": "Les versions 17.6.6a et 16.12.10a sont disponibles.", "revision_date": "2023-10-30T00:00:00.000000" }, { "description": "POC disponible publiquement.", "revision_date": "2023-10-31T00:00:00.000000" }, { "description": "La version 17.3.8a est disponible.", "revision_date": "2023-11-02T00:00:00.000000" }, { "description": "Cl\u00f4ture de l\u0027alerte. Cela ne signifie pas la fin d\u0027une menace. Seule l\u0027application de la mise \u00e0 jour permet de vous pr\u00e9munir contre l\u0027exploitation de la vuln\u00e9rabilit\u00e9 correspondante.", "revision_date": "2024-02-16T00:00:00.000000" } ], "risks": [ { "description": "Ex\u00e9cution de code arbitraire \u00e0 distance" }, { "description": "\u00c9l\u00e9vation de privil\u00e8ges" }, { "description": "Contournement de la politique de s\u00e9curit\u00e9" } ], "summary": "\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\\[Mise \u00e0 jour du 02 novembre\n2023\\]\u003c/strong\u003e\u003c/span\u003e\n\nLa version 17.3.8a est disponible.\n\n\u003cstrong\u003e\\[Mise \u00e0 jour du 31 octobre 2023\\]\u003c/strong\u003e\n\nLes d\u00e9tails techniques de la vuln\u00e9rabilit\u00e9 CVE-2023-20198 sont d\u00e9sormais\ndisponibles publiquement. Cette vuln\u00e9rabilit\u00e9 \u00e9tait d\u00e9j\u00e0 massivement\nexploit\u00e9e. Tous les \u00e9quipements exposant l\u0027interface de gestion Web\nd\u0027IOS XE doivent \u00eatre consid\u00e9r\u00e9s comme compromis.\n\n\u003cstrong\u003e\\[Mise \u00e0 jour du 30 octobre 2023\\]\u003c/strong\u003e\n\nLes versions 17.6.6a et 16.12.10a sont disponibles.\n\n\u003cstrong\u003e\\[Mise \u00e0 jour du 23 octobre 2023\\]\u003c/strong\u003e\n\nLe 22 octobre 2023, Cisco a mis \u00e0 jour son avis de s\u00e9curit\u00e9 pour ajouter\nla vuln\u00e9rabilit\u00e9 CVE-2023-20273. Celle-ci est activement exploit\u00e9e par\nles attaquants pour \u00e9lever leurs privil\u00e8ges \u00e0 *root* apr\u00e8s avoir cr\u00e9\u00e9 un\nutilisateur de niveau 15. Cela leur permet de placer un implant sur le\nsyst\u00e8me de fichiers de l\u0027\u00e9quipement.\n\nLa version 17.9.4a corrige ces vuln\u00e9rabilit\u00e9s pour la branche 17.9.x. La\ndate de disponibilit\u00e9 des autres correctifs n\u0027a pas \u00e9t\u00e9 annonc\u00e9e.\n\n\u003cstrong\u003e\\[Publication initiale\\]\u003c/strong\u003e\n\nLe 16 octobre 2023, Cisco a publi\u00e9 un avis de s\u00e9curit\u00e9 concernant la\nvuln\u00e9rabilit\u00e9 CVE-2023-20198 affectant l\u0027interface Web de gestion d\u0027IOS\nXE (*webui*). Cette vuln\u00e9rabilit\u00e9 permet \u00e0 un attaquant non authentifi\u00e9\nde cr\u00e9er un [utilisateur disposant des privil\u00e8ges de niveau\n15](https://learningnetwork.cisco.com/s/blogs/a0D3i000002eeWTEAY/cisco-ios-privilege-levels).\nCela donne acc\u00e8s \u00e0 toutes les commandes et la possibilit\u00e9 de modifier la\nconfiguration de l\u0027\u00e9quipement vuln\u00e9rable, ce qui revient \u00e0 en prendre le\ncontr\u00f4le complet. Le score CVSSv3 de cette vuln\u00e9rabilit\u00e9 est de 10 (sur\n10).\n\nCisco \u003cu\u003en\u0027a pas encore publi\u00e9 de correctifs\u003c/u\u003e de s\u00e9curit\u00e9 pour la\nvuln\u00e9rabilit\u00e9 CVE-2023-20198. De plus, l\u0027\u00e9diteur indique que cette\nvuln\u00e9rabilit\u00e9 est \u003cu\u003eactivement exploit\u00e9e\u003c/u\u003e.\n\nL\u0027avis de l\u0027\u00e9diteur documente les indicateurs de compromission\npermettant de rechercher des \u00e9ventuelles exploitations de cette\nvuln\u00e9rabilit\u00e9.\n\n\u00a0\n", "title": "[M\u00e0J] Multiples vuln\u00e9rabilit\u00e9s dans Cisco IOS XE", "vendor_advisories": [ { "published_at": "2023-10-16", "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-iosxe-webui-privesc-j22SaA4z", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z" } ] }
CVE-2023-20273 (GCVE-0-2023-20273)
Vulnerability from cvelistv5
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Vendor | Product | Version | ||
---|---|---|---|---|
Cisco | Cisco IOS XE Software |
Version: 16.1.1 Version: 16.1.2 Version: 16.1.3 Version: 16.2.1 Version: 16.2.2 Version: 16.3.1 Version: 16.3.2 Version: 16.3.3 Version: 16.3.1a Version: 16.3.4 Version: 16.3.5 Version: 16.3.5b Version: 16.3.6 Version: 16.3.7 Version: 16.3.8 Version: 16.3.9 Version: 16.3.10 Version: 16.3.11 Version: 16.4.1 Version: 16.4.2 Version: 16.4.3 Version: 16.5.1 Version: 16.5.1a Version: 16.5.1b Version: 16.5.2 Version: 16.5.3 Version: 16.6.1 Version: 16.6.2 Version: 16.6.3 Version: 16.6.4 Version: 16.6.5 Version: 16.6.4a Version: 16.6.5a Version: 16.6.6 Version: 16.6.7 Version: 16.6.8 Version: 16.6.9 Version: 16.6.10 Version: 16.7.1 Version: 16.7.1a Version: 16.7.1b Version: 16.7.2 Version: 16.7.3 Version: 16.7.4 Version: 16.8.1 Version: 16.8.1a Version: 16.8.1b Version: 16.8.1s Version: 16.8.1c Version: 16.8.1d Version: 16.8.2 Version: 16.8.1e Version: 16.8.3 Version: 16.9.1 Version: 16.9.2 Version: 16.9.1a Version: 16.9.1b Version: 16.9.1s Version: 16.9.3 Version: 16.9.4 Version: 16.9.3a Version: 16.9.5 Version: 16.9.5f Version: 16.9.6 Version: 16.9.7 Version: 16.9.8 Version: 16.10.1 Version: 16.10.1a Version: 16.10.1b Version: 16.10.1s Version: 16.10.1c Version: 16.10.1e Version: 16.10.1d Version: 16.10.2 Version: 16.10.1f Version: 16.10.1g Version: 16.10.3 Version: 16.11.1 Version: 16.11.1a Version: 16.11.1b Version: 16.11.2 Version: 16.11.1s Version: 16.12.1 Version: 16.12.1s Version: 16.12.1a Version: 16.12.1c Version: 16.12.1w Version: 16.12.2 Version: 16.12.1y Version: 16.12.2a Version: 16.12.3 Version: 16.12.8 Version: 16.12.2s Version: 16.12.1x Version: 16.12.1t Version: 16.12.4 Version: 16.12.3s Version: 16.12.3a Version: 16.12.4a Version: 16.12.5 Version: 16.12.6 Version: 16.12.1z1 Version: 16.12.5a Version: 16.12.5b Version: 16.12.1z2 Version: 16.12.6a Version: 16.12.7 Version: 16.12.9 Version: 16.12.10 Version: 17.1.1 Version: 17.1.1a Version: 17.1.1s Version: 17.1.1t Version: 17.1.3 Version: 17.2.1 Version: 17.2.1r Version: 17.2.1a Version: 17.2.1v Version: 17.2.2 Version: 17.2.3 Version: 17.3.1 Version: 17.3.2 Version: 17.3.3 Version: 17.3.1a Version: 17.3.1w Version: 17.3.2a Version: 17.3.1x Version: 17.3.1z Version: 17.3.4 Version: 17.3.5 Version: 17.3.4a Version: 17.3.6 Version: 17.3.4b Version: 17.3.4c Version: 17.3.5a Version: 17.3.5b Version: 17.3.7 Version: 17.3.8 Version: 17.4.1 Version: 17.4.2 Version: 17.4.1a Version: 17.4.1b Version: 17.4.2a Version: 17.5.1 Version: 17.5.1a Version: 17.5.1b Version: 17.5.1c Version: 17.6.1 Version: 17.6.2 Version: 17.6.1w Version: 17.6.1a Version: 17.6.1x Version: 17.6.3 Version: 17.6.1y Version: 17.6.1z Version: 17.6.3a Version: 17.6.4 Version: 17.6.1z1 Version: 17.6.5 Version: 17.6.6 Version: 17.7.1 Version: 17.7.1a Version: 17.7.1b Version: 17.7.2 Version: 17.10.1 Version: 17.10.1a Version: 17.10.1b Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.1w Version: 17.9.2 Version: 17.9.1a Version: 17.9.1x Version: 17.9.1y Version: 17.9.3 Version: 17.9.2a Version: 17.9.1x1 Version: 17.9.3a Version: 17.9.4 Version: 17.9.1y1 Version: 17.11.1 Version: 17.11.1a Version: 17.12.1 Version: 17.12.1a Version: 17.11.99SW |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T09:05:36.250Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "cisco-sa-iosxe-webui-privesc-j22SaA4z", "tags": [ "x_transferred" ], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2023-20273", "options": [ { "Exploitation": "active" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2023-11-15T16:39:19.546517Z", "version": "2.0.3" }, "type": "ssvc" } }, { "other": { "content": { "dateAdded": "2023-10-23", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20273" }, "type": "kev" } } ], "providerMetadata": { "dateUpdated": "2025-07-30T01:37:13.736Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "timeline": [ { "lang": "en", "time": "2023-10-23T00:00:00+00:00", "value": "CVE-2023-20273 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "Cisco IOS XE Software", "vendor": "Cisco", "versions": [ { "status": "affected", "version": "16.1.1" }, { "status": "affected", "version": "16.1.2" }, { "status": "affected", "version": "16.1.3" }, { "status": "affected", "version": "16.2.1" }, { "status": "affected", "version": "16.2.2" }, { "status": "affected", "version": "16.3.1" }, { "status": "affected", "version": "16.3.2" }, { "status": "affected", "version": "16.3.3" }, { "status": "affected", "version": "16.3.1a" }, { "status": "affected", "version": "16.3.4" }, { "status": "affected", "version": "16.3.5" }, { "status": "affected", "version": "16.3.5b" }, { "status": "affected", "version": "16.3.6" }, { "status": "affected", "version": "16.3.7" }, { "status": "affected", "version": "16.3.8" }, { "status": "affected", "version": "16.3.9" }, { "status": "affected", "version": "16.3.10" }, { "status": "affected", "version": "16.3.11" }, { "status": "affected", "version": "16.4.1" }, { "status": "affected", "version": "16.4.2" }, { "status": "affected", "version": "16.4.3" }, { "status": "affected", "version": "16.5.1" }, { "status": "affected", "version": "16.5.1a" }, { "status": "affected", "version": "16.5.1b" }, { "status": "affected", "version": "16.5.2" }, { "status": "affected", "version": "16.5.3" }, { "status": "affected", "version": "16.6.1" }, { "status": "affected", "version": "16.6.2" }, { "status": "affected", "version": "16.6.3" }, { "status": "affected", "version": "16.6.4" }, { "status": "affected", "version": "16.6.5" }, { "status": "affected", "version": "16.6.4a" }, { "status": "affected", "version": "16.6.5a" }, { "status": "affected", "version": "16.6.6" }, { "status": "affected", "version": "16.6.7" }, { "status": "affected", "version": "16.6.8" }, { "status": "affected", "version": "16.6.9" }, { "status": "affected", "version": "16.6.10" }, { "status": "affected", "version": "16.7.1" }, { "status": "affected", "version": "16.7.1a" }, { "status": "affected", "version": "16.7.1b" }, { "status": "affected", "version": "16.7.2" }, { "status": "affected", "version": "16.7.3" }, { "status": "affected", "version": "16.7.4" }, { "status": "affected", "version": "16.8.1" }, { "status": "affected", "version": "16.8.1a" }, { "status": "affected", "version": "16.8.1b" }, { "status": "affected", "version": "16.8.1s" }, { "status": "affected", "version": "16.8.1c" }, { "status": "affected", "version": "16.8.1d" }, { "status": "affected", "version": "16.8.2" }, { "status": "affected", "version": "16.8.1e" }, { "status": "affected", "version": "16.8.3" }, { "status": "affected", "version": "16.9.1" }, { "status": "affected", "version": "16.9.2" }, { "status": "affected", "version": "16.9.1a" }, { "status": "affected", "version": "16.9.1b" }, { "status": "affected", "version": "16.9.1s" }, { "status": "affected", "version": "16.9.3" }, { "status": "affected", "version": "16.9.4" }, { "status": "affected", "version": "16.9.3a" }, { "status": "affected", "version": "16.9.5" }, { "status": "affected", "version": "16.9.5f" }, { "status": "affected", "version": "16.9.6" }, { "status": "affected", "version": "16.9.7" }, { "status": "affected", "version": "16.9.8" }, { "status": "affected", "version": "16.10.1" }, { "status": "affected", "version": "16.10.1a" }, { "status": "affected", "version": "16.10.1b" }, { "status": "affected", "version": "16.10.1s" }, { "status": "affected", "version": "16.10.1c" }, { "status": "affected", "version": "16.10.1e" }, { "status": "affected", "version": "16.10.1d" }, { "status": "affected", "version": "16.10.2" }, { "status": "affected", "version": "16.10.1f" }, { "status": "affected", "version": "16.10.1g" }, { "status": "affected", "version": "16.10.3" }, { "status": "affected", "version": "16.11.1" }, { 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"version": "16.12.4a" }, { "status": "affected", "version": "16.12.5" }, { "status": "affected", "version": "16.12.6" }, { "status": "affected", "version": "16.12.1z1" }, { "status": "affected", "version": "16.12.5a" }, { "status": "affected", "version": "16.12.5b" }, { "status": "affected", "version": "16.12.1z2" }, { "status": "affected", "version": "16.12.6a" }, { "status": "affected", "version": "16.12.7" }, { "status": "affected", "version": "16.12.9" }, { "status": "affected", "version": "16.12.10" }, { "status": "affected", "version": "17.1.1" }, { "status": "affected", "version": "17.1.1a" }, { "status": "affected", "version": "17.1.1s" }, { "status": "affected", "version": "17.1.1t" }, { "status": "affected", "version": "17.1.3" }, { "status": "affected", "version": "17.2.1" }, { "status": "affected", "version": "17.2.1r" }, { "status": "affected", "version": "17.2.1a" }, { "status": "affected", "version": "17.2.1v" }, { "status": "affected", "version": "17.2.2" }, { "status": 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This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges." } ], "exploits": [ { "lang": "en", "value": "Cisco is aware of active exploitation of these vulnerabilities." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "cvssV3_1" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)", "lang": "en", "type": "cwe" } ] } ], "providerMetadata": { "dateUpdated": "2024-01-25T16:58:37.816Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "cisco-sa-iosxe-webui-privesc-j22SaA4z", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z" } ], "source": { "advisory": "cisco-sa-iosxe-webui-privesc-j22SaA4z", "defects": [ "CSCwh87343" ], "discovery": "EXTERNAL" } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2023-20273", "datePublished": "2023-10-24T14:13:36.311Z", "dateReserved": "2022-10-27T18:47:50.373Z", "dateUpdated": "2025-07-30T01:37:13.736Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
CVE-2023-20198 (GCVE-0-2023-20198)
Vulnerability from cvelistv5
- CWE-420 - Unprotected Alternate Channel
Vendor | Product | Version | ||
---|---|---|---|---|
Cisco | Cisco IOS XE Software |
Version: 16.1.1 Version: 16.1.2 Version: 16.1.3 Version: 16.2.1 Version: 16.2.2 Version: 16.3.1 Version: 16.3.2 Version: 16.3.3 Version: 16.3.1a Version: 16.3.4 Version: 16.3.5 Version: 16.3.5b Version: 16.3.6 Version: 16.3.7 Version: 16.3.8 Version: 16.3.9 Version: 16.3.10 Version: 16.3.11 Version: 16.4.1 Version: 16.4.2 Version: 16.4.3 Version: 16.5.1 Version: 16.5.1a Version: 16.5.1b Version: 16.5.2 Version: 16.5.3 Version: 16.6.1 Version: 16.6.2 Version: 16.6.3 Version: 16.6.4 Version: 16.6.5 Version: 16.6.4a Version: 16.6.5a Version: 16.6.6 Version: 16.6.7 Version: 16.6.8 Version: 16.6.9 Version: 16.6.10 Version: 16.7.1 Version: 16.7.1a Version: 16.7.1b Version: 16.7.2 Version: 16.7.3 Version: 16.7.4 Version: 16.8.1 Version: 16.8.1a Version: 16.8.1b Version: 16.8.1s Version: 16.8.1c Version: 16.8.1d Version: 16.8.2 Version: 16.8.1e Version: 16.8.3 Version: 16.9.1 Version: 16.9.2 Version: 16.9.1a Version: 16.9.1b Version: 16.9.1s Version: 16.9.3 Version: 16.9.4 Version: 16.9.3a Version: 16.9.5 Version: 16.9.5f Version: 16.9.6 Version: 16.9.7 Version: 16.9.8 Version: 16.10.1 Version: 16.10.1a Version: 16.10.1b Version: 16.10.1s Version: 16.10.1c Version: 16.10.1e Version: 16.10.1d Version: 16.10.2 Version: 16.10.1f Version: 16.10.1g Version: 16.10.3 Version: 16.11.1 Version: 16.11.1a Version: 16.11.1b Version: 16.11.2 Version: 16.11.1s Version: 16.12.1 Version: 16.12.1s Version: 16.12.1a Version: 16.12.1c Version: 16.12.1w Version: 16.12.2 Version: 16.12.1y Version: 16.12.2a Version: 16.12.3 Version: 16.12.8 Version: 16.12.2s Version: 16.12.1x Version: 16.12.1t Version: 16.12.4 Version: 16.12.3s Version: 16.12.3a Version: 16.12.4a Version: 16.12.5 Version: 16.12.6 Version: 16.12.1z1 Version: 16.12.5a Version: 16.12.5b Version: 16.12.1z2 Version: 16.12.6a Version: 16.12.7 Version: 16.12.9 Version: 16.12.10 Version: 17.1.1 Version: 17.1.1a Version: 17.1.1s Version: 17.1.1t Version: 17.1.3 Version: 17.2.1 Version: 17.2.1r Version: 17.2.1a Version: 17.2.1v Version: 17.2.2 Version: 17.2.3 Version: 17.3.1 Version: 17.3.2 Version: 17.3.3 Version: 17.3.1a Version: 17.3.1w Version: 17.3.2a Version: 17.3.1x Version: 17.3.1z Version: 17.3.4 Version: 17.3.5 Version: 17.3.4a Version: 17.3.6 Version: 17.3.4b Version: 17.3.4c Version: 17.3.5a Version: 17.3.5b Version: 17.3.7 Version: 17.3.8 Version: 17.4.1 Version: 17.4.2 Version: 17.4.1a Version: 17.4.1b Version: 17.4.2a Version: 17.5.1 Version: 17.5.1a Version: 17.5.1b Version: 17.5.1c Version: 17.6.1 Version: 17.6.2 Version: 17.6.1w Version: 17.6.1a Version: 17.6.1x Version: 17.6.3 Version: 17.6.1y Version: 17.6.1z Version: 17.6.3a Version: 17.6.4 Version: 17.6.1z1 Version: 17.6.5 Version: 17.6.6 Version: 17.7.1 Version: 17.7.1a Version: 17.7.1b Version: 17.7.2 Version: 17.10.1 Version: 17.10.1a Version: 17.10.1b Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.1w Version: 17.9.2 Version: 17.9.1a Version: 17.9.1x Version: 17.9.1y Version: 17.9.3 Version: 17.9.2a Version: 17.9.1x1 Version: 17.9.3a Version: 17.9.4 Version: 17.9.1y1 Version: 17.11.1 Version: 17.11.1a Version: 17.12.1 Version: 17.12.1a Version: 17.11.99SW |
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"affected", "version": "17.4.2" }, { "status": "affected", "version": "17.4.1a" }, { "status": "affected", "version": "17.4.1b" }, { "status": "affected", "version": "17.4.2a" }, { "status": "affected", "version": "17.5.1" }, { "status": "affected", "version": "17.5.1a" }, { "status": "affected", "version": "17.5.1b" }, { "status": "affected", "version": "17.5.1c" }, { "status": "affected", "version": "17.6.1" }, { "status": "affected", "version": "17.6.2" }, { "status": "affected", "version": "17.6.1w" }, { "status": "affected", "version": "17.6.1a" }, { "status": "affected", "version": "17.6.1x" }, { "status": "affected", "version": "17.6.3" }, { "status": "affected", "version": "17.6.1y" }, { "status": "affected", "version": "17.6.1z" }, { "status": "affected", "version": "17.6.3a" }, { "status": "affected", "version": "17.6.4" }, { "status": "affected", "version": "17.6.1z1" }, { "status": "affected", "version": "17.6.5" }, { "status": "affected", "version": "17.6.6" }, { "status": "affected", "version": "17.7.1" }, { "status": "affected", "version": "17.7.1a" }, { "status": "affected", "version": "17.7.1b" }, { "status": "affected", "version": "17.7.2" }, { "status": "affected", "version": "17.10.1" }, { "status": "affected", "version": "17.10.1a" }, { "status": "affected", "version": "17.10.1b" }, { "status": "affected", "version": "17.8.1" }, { "status": "affected", "version": "17.8.1a" }, { "status": "affected", "version": "17.9.1" }, { "status": "affected", "version": "17.9.1w" }, { "status": "affected", "version": "17.9.2" }, { "status": "affected", "version": "17.9.1a" }, { "status": "affected", "version": "17.9.1x" }, { "status": "affected", "version": "17.9.1y" }, { "status": "affected", "version": "17.9.3" }, { "status": "affected", "version": "17.9.2a" }, { "status": "affected", "version": "17.9.1x1" }, { "status": "affected", "version": "17.9.3a" }, { "status": "affected", "version": "17.9.4" }, { "status": "affected", "version": "17.9.1y1" }, { "status": "affected", "version": "17.11.1" }, { "status": "affected", "version": "17.11.1a" }, { "status": "affected", "version": "17.12.1" }, { "status": "affected", "version": "17.12.1a" }, { "status": "affected", "version": "17.11.99SW" } ] } ], "descriptions": [ { "lang": "en", "value": "Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issues. The attacker first exploited CVE-2023-20198 to gain initial access and issued a privilege 15 command to create a local user and password combination. This allowed the user to log in with normal user access. The attacker then exploited another component of the web UI feature, leveraging the new local user to elevate privilege to root and write the implant to the file system. Cisco has assigned CVE-2023-20273 to this issue. CVE-2023-20198 has been assigned a CVSS Score of 10.0. CVE-2023-20273 has been assigned a CVSS Score of 7.2. Both of these CVEs are being tracked by CSCwh87343." } ], "exploits": [ { "lang": "en", "value": "Cisco is aware of active exploitation of these vulnerabilities." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "format": "cvssV3_1" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-420", "description": "Unprotected Alternate Channel", "lang": "en", "type": "cwe" } ] } ], "providerMetadata": { "dateUpdated": "2024-01-25T16:57:55.900Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "cisco-sa-iosxe-webui-privesc-j22SaA4z", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z" } ], "source": { "advisory": "cisco-sa-iosxe-webui-privesc-j22SaA4z", "defects": [ "CSCwh87343" ], "discovery": "EXTERNAL" } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2023-20198", "datePublished": "2023-10-16T15:12:58.735Z", "dateReserved": "2022-10-27T18:47:50.365Z", "dateUpdated": "2025-07-30T01:37:14.185Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.