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

CVE-2012-3893

CVE-2012-3893

Description

The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Cisco Systems, Inc./Cisco iOS3 versions
    cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
    • (no CPE)range: 15.2, 15.3

Patches

Vulnerability mechanics

References

1

News mentions

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