WID-SEC-W-2026-1534
Vulnerability from csaf_certbund - Published: 2026-05-14 22:00 - Updated: 2026-05-14 22:00Summary
Cisco Catalyst SD-WAN Controller: Schwachstelle ermöglicht Erlangen von Administratorrechten
Severity
Kritisch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Catalyst ist der Markenname für eine Vielzahl von Netzwerk-Switches die von Cisco Systems verkauft werden.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Cisco Catalyst SD-WAN Controller ausnutzen, um Administratorrechte zu erlangen und so die Netzwerkkonfiguration für die SD-WAN-Struktur zu manipulieren.
Betroffene Betriebssysteme: - Sonstiges
Affected products
Known affected
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Cisco Catalyst SD-WAN Controller <20.9.9.1
Cisco / Catalyst
|
SD-WAN Controller <20.9.9.1 | ||
|
Cisco Catalyst SD-WAN Controller <20.12.7.1
Cisco / Catalyst
|
SD-WAN Controller <20.12.7.1 | ||
|
Cisco Catalyst SD-WAN Controller <20.12.5.4
Cisco / Catalyst
|
SD-WAN Controller <20.12.5.4 | ||
|
Cisco Catalyst SD-WAN Controller <20.12.6.2
Cisco / Catalyst
|
SD-WAN Controller <20.12.6.2 | ||
|
Cisco Catalyst SD-WAN Controller <20.15.5.2
Cisco / Catalyst
|
SD-WAN Controller <20.15.5.2 | ||
|
Cisco Catalyst SD-WAN Controller <20.15.4.4
Cisco / Catalyst
|
SD-WAN Controller <20.15.4.4 | ||
|
Cisco Catalyst SD-WAN Controller <20.18.2.2
Cisco / Catalyst
|
SD-WAN Controller <20.18.2.2 | ||
|
Cisco Catalyst SD-WAN Controller <26.1.1.1
Cisco / Catalyst
|
SD-WAN Controller <26.1.1.1 |
References
4 references
{
"document": {
"aggregate_severity": {
"text": "kritisch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Catalyst ist der Markenname f\u00fcr eine Vielzahl von Netzwerk-Switches die von Cisco Systems verkauft werden.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Cisco Catalyst SD-WAN Controller ausnutzen, um Administratorrechte zu erlangen und so die Netzwerkkonfiguration f\u00fcr die SD-WAN-Struktur zu manipulieren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-1534 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1534.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1534 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1534"
},
{
"category": "external",
"summary": "Cisco Security Advisory cisco-sa-sdwan-rpa2-v69WY2SW vom 2026-05-14",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW"
},
{
"category": "external",
"summary": "CISA KEV: CVE-2026-20182 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability vom 2026-05-14",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
}
],
"source_lang": "en-US",
"title": "Cisco Catalyst SD-WAN Controller: Schwachstelle erm\u00f6glicht Erlangen von Administratorrechten",
"tracking": {
"current_release_date": "2026-05-14T22:00:00.000+00:00",
"generator": {
"date": "2026-05-15T09:59:23.018+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-1534",
"initial_release_date": "2026-05-14T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-14T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c26.1.1.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c26.1.1.1",
"product_id": "T054158"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 26.1.1.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 26.1.1.1",
"product_id": "T054158-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__26.1.1.1"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.18.2.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.18.2.2",
"product_id": "T054159"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.18.2.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.18.2.2",
"product_id": "T054159-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.18.2.2"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.15.4.4",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.15.4.4",
"product_id": "T054160"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.15.4.4",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.15.4.4",
"product_id": "T054160-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.15.4.4"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.15.5.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.15.5.2",
"product_id": "T054161"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.15.5.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.15.5.2",
"product_id": "T054161-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.15.5.2"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.12.6.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.12.6.2",
"product_id": "T054162"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.12.6.2",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.12.6.2",
"product_id": "T054162-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.12.6.2"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.12.5.4",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.12.5.4",
"product_id": "T054163"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.12.5.4",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.12.5.4",
"product_id": "T054163-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.12.5.4"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.12.7.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.12.7.1",
"product_id": "T054164"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.12.7.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.12.7.1",
"product_id": "T054164-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.12.7.1"
}
}
},
{
"category": "product_version_range",
"name": "SD-WAN Controller \u003c20.9.9.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller \u003c20.9.9.1",
"product_id": "T054165"
}
},
{
"category": "product_version",
"name": "SD-WAN Controller 20.9.9.1",
"product": {
"name": "Cisco Catalyst SD-WAN Controller 20.9.9.1",
"product_id": "T054165-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:catalyst:sd-wan_controller__20.9.9.1"
}
}
}
],
"category": "product_name",
"name": "Catalyst"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-20182",
"product_status": {
"known_affected": [
"T054165",
"T054164",
"T054163",
"T054162",
"T054161",
"T054160",
"T054159",
"T054158"
]
},
"release_date": "2026-05-14T22:00:00.000+00:00",
"title": "CVE-2026-20182"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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