CVE-2023-20109CISA KEV
Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability
CISA lists this Cisco IOS and IOS XE vulnerability as known exploited. The vendor's advisory has the fixed versions.
CISA catalog record
Cisco IOS and IOS XE contain an out-of-bounds write vulnerability in the Group Encrypted Transport VPN (GET VPN) feature that could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute malicious code or cause a device to crash.
- Product
- IOS and IOS XE
- Added to KEV
- 10 Oct 2023
- Federal remediation due
- 31 Oct 2023
- Known ransomware use
- Not reported
What changed
First observed 14 Oct 2026No field changes in the recorded history.
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