TI-2026-16320 Aliases CVE-2026-20107 GHSA-gv9w-2wpq-7538

Cisco Application Policy Infrastructure Controller Denial of Service Vulnerability

LOW 24CWE-1220Published 2026-02-25 · Updated 2026-02-25

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

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 reload, resulting in a DoS condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00099 0th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Application Policy Infrastructure Controller (APIC)	6.1(1f); 6.1(2f); 6.1(2g); 6.1(3f); 6.1(3g)	—	No fix listed	CNA

Cisco Application Policy Infrastructure Controller (APIC) VendorCisco Affected 6.1(1f); 6.1(2f); 6.1(2g); 6.1(3f); 6.1(3g) Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:application_policy_infrastructure_controller::::::::	—	—	Cisco

cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* Versions — — ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-20107
2026-10-03 Alias added: GHSA-gv9w-2wpq-7538

References

Other 1

cisco-sa-apic-dos-rNus8EFw

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TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences