CVE-2021-35473
Vulnerability from cvelistv5
Published
2024-11-10 00:00
Modified
2024-11-19 19:34
Severity ?
EPSS score ?
Summary
An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.
References
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:a:lemonldap-ng:lemonldap-ng:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "lemonldap-ng", "vendor": "lemonldap-ng", "versions": [ { "lessThan": "2.0.12", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2021-35473", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-11-19T19:29:00.692046Z", "version": "2.0.3" }, "type": "ssvc" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-613", "description": "CWE-613 Insufficient Session Expiration", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-11-19T19:34:45.685Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2024-11-10T22:29:17.407404", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags" }, { "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549" } ] } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-35473", "datePublished": "2024-11-10T00:00:00", "dateReserved": "2021-06-23T00:00:00", "dateUpdated": "2024-11-19T19:34:45.685Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-35473\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2024-11-10T23:15:04.383\",\"lastModified\":\"2024-11-19T20:35:13.347\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.\"},{\"lang\":\"es\",\"value\":\"Se descubri\u00f3 un problema en LemonLDAP::NG antes de la versi\u00f3n 2.0.12. Falta una comprobaci\u00f3n de caducidad en el controlador OAuth2.0, es decir, no verifica la validez del token de acceso. Un atacante puede usar un token de acceso caducado de un cliente OIDC para acceder al controlador OAuth2. La primera versi\u00f3n afectada es la 2.0.4.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-613\"}]}],\"references\":[{\"url\":\"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2549\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags\",\"source\":\"cve@mitre.org\"}]}}" } }
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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.
- 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.