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

5.5MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Application Policy Infrastructure Controller (apic)
Vendor
CVE Published:
25 February 2026

Badges

👾 Exploit Exists

What is CVE-2026-20107?

A weakness in the Object Model CLI component of Cisco Application Policy Infrastructure Controller (APIC) allows an authenticated local attacker to exploit insufficient input validation. By issuing specially crafted commands via the CLI, an attacker possessing valid user credentials with CLI access can cause the device to unexpectedly reload. This exploitation results in a denial of service (DoS) condition, impacting the availability of the affected device.

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Deploy the Patch

Affected Version(s)

Cisco Application Policy Infrastructure Controller (APIC) 6.1(1f)

Cisco Application Policy Infrastructure Controller (APIC) 6.1(2f)

Cisco Application Policy Infrastructure Controller (APIC) 6.1(2g)

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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