What is CVE-2026-20087?

CVE-2026-20087 is a medium-severity vulnerability in Cisco Enterprise Nfv Infrastructure Software, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-04-01.

How severe is CVE-2026-20087?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Cisco Enterprise Nfv Infrastructure Software

CVE-2026-20087

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored XSS attack against a user of the interface. This vulnerability is due to…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cisco Enterprise Nfv Infrastructure Software — versions 4.1.1, 3.9.1, 3.5.2
Cisco Unified Computing System E-series Software (Ucse) — versions 3.2.7, 3.2.6, 3.2.4
Cisco Unified Computing System (Standalone) — versions 4.0(2g), 3.1(2i), 3.1(1d)

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cisco-sa-cimc-xss-A2tkgVAB

Frequently asked questions

What is CVE-2026-20087?: CVE-2026-20087 is a medium-severity vulnerability in Cisco Enterprise Nfv Infrastructure Software, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-04-01.
How severe is CVE-2026-20087?: Medium severity. CVSS v3 base score is 4.8 out of 10.