Home/CVE/Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishi
CVE

CVE-2012-5017

Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishi

Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishing a VPN session and then sending malformed IKEv2 packets, aka Bug ID CSCub39268.

MEDIUM · CVSS 6.8 EPSS 0.00363
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

9
cisco ios<= 15.1\(1\)sy
cisco iosall versions
cisco asr 1001all versions
cisco asr 1002all versions
cisco asr 1002-xall versions
cisco asr 1002 fixed routerall versions
cisco asr 1004all versions
cisco asr 1006all versions
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:S/C:N/I:N/A:C
Published to NVD23 Apr 2014 · 11:52 AM
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf
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