CVE-2025-20116Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerability
- 4.8MediumCVSS base score
- 0.28%Exploitation in 30 daysEPSS · top 79% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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 could allow the attacker to execute arbitrary script code in the context of the web UI or access sensitive, browser-based information.
Timeline
ID reserved
By cisco
- 5 months later
· 5 months later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | Medium4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Analyzed | 3.1 | Medium4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.28% · top 79% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Affected products
Cisco · Cisco Application Policy Infrastructure Controller (APIC)
- affected 3.2(8d)
- affected 3.2(1m)
- affected 3.2(5e)
- affected 4.1(2m)
- affected 3.2(41d)
- affected 3.2(3s)
- affected 4.0(3c)
- affected 4.1(1k)
- affected 3.2(4d)
- affected 4.2(2e)
- affected 4.2(3j)
- affected 4.2(3n)
- affected 4.0(1h)
- affected 4.1(1l)
- affected 3.2(9f)
- affected 4.2(3l)
- affected 4.2(2g)
- affected 3.2(7k)
- affected 3.2(9b)
- affected 3.2(3j)
- affected 4.1(2u)
- affected 4.2(1l)
- affected 4.1(1a)
- affected 4.0(3d)
- affected 3.2(4e)
- affected 4.1(1i)
- affected 3.2(5f)
- affected 3.2(1l)
- affected 4.2(1i)
- affected 4.1(2o)
- affected 4.2(1g)
- affected 4.1(2g)
- affected 4.2(2f)
- affected 3.2(6i)
- affected 3.2(3i)
- affected 3.2(3n)
- affected 4.1(2x)
- affected 3.2(5d)
- affected 4.2(3q)
- affected 4.1(1j)
- and 88 more
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that is described in this advisory.
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-5300 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-20116)Record last updated .