CVE-2026-20086 | Vulnetix

CVE-2026-20086 PUBLISHED CVSS 8.699999809265137 HIGH

Cisco Internetwork Operating System (IOS) ist ein Betriebssystem, das für Cisco Geräte wie z. B. Router und Switches eingesetzt wird. Catalyst ist der Markenname für eine Vielzahl von Netzwerk-Switches die von Cisco Systems verkauft werden.

EPSS 0.35% · 28.3th percentile

Risk Scores

CVSS 4.0

8.699999809265137

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS Score

0.35%

28.3th percentile

Timeline

Mar 25, 2026 Coalition ESS Score
Mar 25, 2026 CVE Published
Mar 25, 2026 PoC Published
Mar 25, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 PoC Published
Mar 26, 2026 CVE Updated
Mar 29, 2026 Security Advisory

References

https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0874.json advisory
https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0874 advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-tls-dos-TVgLDEZL advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-scp-dos-duAdXtCg advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bootp-WuBhNBxA advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-dos-hnX5KGOm advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-secureboot-bypass-B6uYxYSZ advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-mntc-dos-LZweQcyq advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-xss-LpGkzwtJ advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-crlf-NvgKTKJZ advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-lobby-privesc-KwxBqJy advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe_infodis-6J847uEB advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-http-dos-sbv8XRpL advisory
https://www.opswat.com/blog/from-privilege-escalation-to-full-denial-of-service-exploit-chain-across-multiple-cves-in-cisco-catalyst-devices-discovered-by-opswat-unit-515 exploit

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