CVE-2026-20133
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
- Published Feb 25, 2026
- CVSS 7.5 high
- 31.8% chance of exploitation in the next 30 days (EPSS)
- In CISA's Known Exploited Vulnerabilities catalog
Affected software
In the news
- Quantifying 2026 Routinely Targeted Vulnerabilities (So Far) VulnCheck Blog ·
- Herding Cats: Recent Cisco SD-WAN Manager Vulnerabilities VulnCheck Blog ·