CVE-2025-20116: A vulnerability in the web UI of Cisco APIC could allow an authenticated, remote attacker to perform a stored

Routine

MEDIUM 4.8MITIGATE

CVE-2025-20116 is a medium-severity flaw (CVSS 4.8) affecting application policy infrastructure controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the web UI of Cisco APIC could allow an authenticated, remote attacker to perform a stored XSS attack on an affected system. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper input validation in the web UI. An authenticated attacker could exploit this vulnerability by injecting malicious code into specific pages of the web UI. A successful exploit co

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-02-26
Last modified	2026-06-17

Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-26 17:15 UTCPublished CVE record published
2026-06-17 08:40 UTCUpdated Record last modified

cisco application policy infrastructure controller MITIGATE

Affected: 3.2\(1l\) · 3.2\(1m\) · 3.2\(2l\) · 3.2\(2o\) · 3.2\(3i\) · 3.2\(3j\) · 3.2\(3n\) · 3.2\(3o\)

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy application-policy-infrastructure-controller || rpm -q application-policy-infrastructure-controller || application-policy-infrastructure-controller --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-20116?

application policy infrastructure controller: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-20116 being exploited?

CVE-2025-20116 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-20116 affect?

CVE-2025-20116 affects application policy infrastructure controller. Severity is medium (CVSS 4.8). A vulnerability in the web UI of Cisco APIC could allow an authenticated, remote attacker to perform a stored XSS attack on an affected system. To exploit this vulnerability, the attacker must have valid administrative credentials. This

How urgent is CVE-2025-20116?

Priority 22/100. No elevated risk signals yet.

Software pages

Cisco vulnerabilities

Related CVEs

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CVE-2025-20117 MEDIUM 5.1 MITIGATE A vulnerability in the CLI of Cisco APIC could allow an authenticated, local attacker to execute arbitrary com
CVE-2024-20478 MEDIUM 6.5 MITIGATE A vulnerability in the software upgrade component of Cisco Application Policy Infrastructure Controller (APIC)
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References

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