CVE-2012-3893

Name: CVE-2012-3893
Creator: NVD / NIST
Published: 2012-09-16T10:34:50.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.93%

Last modified Jun 16, 2026

CVE-2012-3893 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.93%

56.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.2
Cisco	Ios	15.3

References

Timeline

Published: Sep 16, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-3893?

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.

How severe is CVE-2012-3893?

Severity scoring for CVE-2012-3893 is pending analysis. The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2012-3893?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-3893?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST