CVE-2013-3436
MEDIUM · CVSS 5.0EPSS 1.4%EU EUVD
The default configuration of the Group Encrypted Transport VPN (GET VPN) feature on Cisco IOS uses an improper mechanism for enabling Group Domain of Interpretation (GDOI) traffic flow, which allows remote attackers to bypass the encryption policy via certain uses of UDP port 848, aka Bug ID CSCui07698.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-264
- EPSS score
- 1.4% (73th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-3371)
- Published
- July 19, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-3371 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / ios
References
- http://osvdb.org/95460
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-3436(Vendor Advisory)
- http://tools.cisco.com/security/center/viewAlert.x?alertId=30140(Vendor Advisory)
- http://www.securityfocus.com/bid/61362
- http://www.securitytracker.com/id/1028810
- https://exchange.xforce.ibmcloud.com/vulnerabilities/85868
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain