Cisco IOS XR Software Discovery Protocol Format String Vulnerability
Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.
- Vendor
- Cisco
- Product
- IOS XR
- CVSS
- 8.8
- EPSS (exploit probability)
- 11.7%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-05-03.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.