Known Exploited Vulnerability: CVE-2023-20109

Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability

CVE detail
Catalog version: 2026.07.16 Date added: 2023-10-10 Due date: 2023-10-31 CISA catalog

Vendor: Cisco

Product: IOS and IOS XE

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Known ransomware campaign use: Unknown

Notes: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx https://nvd.nist.gov/vuln/detail/CVE-2023-20109

CWEs

cvelogic Threat Intelligence