VDB
CVE-2026-20091
CVE-2026-20091
PUBLISHED
CVSS 8.5 HIGH
FXOS (FirePOWER eXtensible Operating System) ist ein Betriebssystem für Cisco Firepower Appliances Bei dem Cisco Unified Computing System (UCS) handelt es sich um eine Rechenzentrumsplattform, die Rechenleistung, Netzwerk, Storage-Zugriff und Virtualisierung in einem System zusammenführt.
EPSS 0.17% · 6.5th percentile
Risk Scores
CVSS 4.0
8.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS Score
0.17%
6.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco FXOS | |
| Cisco | Cisco Unified Computing System (UCS) <4.3(6a) |
Timeline
- Oct 8, 2025 CVE ID Reserved
- Feb 25, 2026 CVE Published
- Feb 25, 2026 CVE Updated
- Feb 26, 2026 EPSS Score
- Feb 28, 2026 EPSS Score
- Mar 1, 2026 EPSS Score
- Mar 3, 2026 EPSS Score
- Mar 4, 2026 EPSS Score
- Mar 6, 2026 EPSS Score
- Mar 8, 2026 EPSS Score
- Mar 9, 2026 EPSS Score
- Mar 11, 2026 EPSS Score
References
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0522.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0522 advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsfxosxss-7skVE8Zv advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsciv-wGYtC78q advisory