Vulnerability · Published Feb 25, 2026 · Assigned by cisco

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

Medium 5.5

In plain English

A medium-severity security flaw in Cisco Application Policy Infrastructure Controller (APIC) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)<0.1%top 99.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 reload, resulting in a DoS condition.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Application Policy Infrastructure Controller (APIC) 6.1(1f)6.1(2f)6.1(2g)6.1(3f)6.1(3g)

Weakness: CWE-1220 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References