RCE in Cisco Unified Computing System E-Series Software (Ucse)
CVE-2026-20094
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with read-only privileges to perform command injection attacks on an affected system and execute arbitrary commands as the root user. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted commands to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- 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)
- Cisco Unified Computing System — versions 3.1(1d), 3.1(2b), 3.1(2c)
- Cisco Unified Computing System E-Series Software — versions 2.0.0, 2.1.0, 2.2.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20094?
- CVE-2026-20094 is a high-severity vulnerability in Cisco Unified Computing System E-Series Software (Ucse), classified under Command Injection. CVSS score: 8.8/10. Published 2026-04-01.
- How severe is CVE-2026-20094?
- High severity. CVSS v3 base score is 8.8 out of 10.