VIR Vulnerability Intelligence Relay

CVE-2013-6686

medium
Published 2013-11-18 · Modified 2026-04-29
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8

Description

The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — http://tools.cisco.com/security/center/viewAlert.x?alertId=31757

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6686

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.