CVE-2017-6627 · netVigilance record NV22-0131
Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service
past due
What to do
Apply updates per vendor instructions.
CISA deadline 2022-03-24 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Cisco IOS and IOS XE Software. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-399.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 5 months ago
Sources
- NVD entry for CVE-2017-6627 nvd.nist.gov/vuln/detail/CVE-2017-6627
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2017-6627