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Unrated severityNVD Advisory· Published Sep 16, 2012· Updated Jun 16, 2026

CVE-2012-3915

CVE-2012-3915

Description

The DMVPN tunnel implementation in Cisco IOS 15.2 allows remote attackers to cause a denial of service (persistent IKE state) via a large volume of hub-to-spoke traffic, aka Bug ID CSCtq39602.

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Affected products

2
  • Cisco Systems, Inc./Cisco iOS2 versions
    cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
    • (no CPE)range: =15.2

Patches

Vulnerability mechanics

References

2

News mentions

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