March 3, 2022 · Applied Cybernetics Group
CVE-2017-12238 Cisco Catalyst 6800 Series Switches
Cisco Catalyst 6800 Series Switches VPLS Denial-of-Service Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-24- Vendor
- Cisco
- Product
- Catalyst 6800 Series Switches
- EPSS
- 81.0th percentile (score 0.020, as of
2026-11-06) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-12238
CISA short description
A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a denial of service.
Required action
Apply updates per vendor instructions.