Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service Vulnerability
A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
- Vendor
- Cisco
- Product
- IOS and IOS XE Software
- CVSS
- 7.5
- EPSS (exploit probability)
- 6.0%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-03-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-03-24.
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.