What’s Vulnerable › Vulnerabilities

CVE-2012-3893

• Severity: medium (CVSS 6.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-09-16 · updated 2026-06-16

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.

Affected products

• Cisco IOS: 15.2, 15.3

References

• http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_4s.html
• http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_4s.html

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