CVE-2023-20109

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details

CVE-2023-20109

Confirmed

Yes

2023-10-10 00:00 UTC

Timestamps

2023-10-10

2023-10-10

Scope

KEV entry: Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability | Affected: Cisco / IOS and IOS XE | Description: 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-31 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx; https://nvd.nist.gov/vuln/detail/CVE-2023-20109

References
  • {'id': 'CVE-2023-20109', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-20109'}

e294de2d-b63b-4509-bf34-bca13f6b62d5

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:26 UTC

2026-02-06 07:17 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-787"
  ],
  "date_added": "2023-10-10",
  "due_date": "2023-10-31",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "IOS and IOS XE",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability"
}
 -
Export Options
JSON Object JSON API View Full Catalog