CVE-2013-3436

critical

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/85868

http://www.securitytracker.com/id/1028810

http://www.securityfocus.com/bid/61362

http://tools.cisco.com/security/center/viewAlert.x?alertId=30140

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-3436

http://osvdb.org/95460

Details

Source: Mitre, NVD

Published: 2013-07-19

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00197