MEDIUMCVSS v3.1 6.6Actively exploited · CISA KEV since 2023-10-10Vulnerability
CVE-2023-20109
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.
Properties
- Euvd product
- IOS, Cisco IOS XE Software
- Vulnerability name
- Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability
- First seen
- 2025-10-21T23:05:36+00:00
- Cvss score
- 6.6
- Epss score
- 0.02484
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2023-10-31
- Euvd assigner
- cisco
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2023-10-10T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2023-10-10
- Score
- 6.6
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Cisco
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 6.6
Related Entities (1,041 · showing 23)
AFFECTS_PRODUCT (1,038 · showing 20)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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