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Advisory severityMedium5.5Cisco

Medium [CVE-2026-20107] Cisco Application Policy Infrastructure Controller Denial of Service Vulnerability

This medium-severity Cisco advisory covers CVE-2026-20107; related products: Cisco Application Policy Infrastructure Controller (APIC).

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

cisco-sa-apic-dos-rNus8EFw Source published Source updated

VulniPulse record published

CVE-2026-20107
Related products & platforms
CiscoUnclassified
Open source advisory

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Summary

A vulnerability in the Object Model CLI component of Cisco Application Policy Infrastructure Controller (APIC) could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.

To exploit this vulnerability, the attacker must have valid user credentials and any role that includes CLI access. This vulnerability is due to insufficient input validation.

An attacker could exploit this vulnerability by issuing crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to re…

Affected versions
  • Scope: At the time of publication, this vulnerability affected Cisco APIC, regardless of device configuration.
  • Release 6.0 and earlier (first fixed: Not affected)
  • Release 6.1 (first fixed: 6.1(4h))
  • Release 6.2 (first fixed: Not affected)

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Fixed versions
  • Not affected
  • 6.1(4h)

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
  • Release 6.0 and earlier: upgrade to Not affected.
  • Release 6.1: upgrade to 6.1(4h).
  • Release 6.2: upgrade to Not affected.
Workaround status
  • There are no workarounds that address this vulnerability.

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

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