Unrated severityNVD Advisory· Published Nov 18, 2013· Updated Jun 17, 2026
CVE-2013-6686
CVE-2013-6686
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*range: <=15.3
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0\(1\)se:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
- (no CPE)range: <=15.3(1)T2
Patches
Vulnerability mechanics
References
2- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6686nvdVendor Advisory
- tools.cisco.com/security/center/viewAlert.xnvdVendor Advisory
News mentions
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