CVE-2012-4638

Name: CVE-2012-4638
Creator: NVD / NIST
Published: 2014-04-23T11:52:59.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.29%

Last modified Jun 16, 2026

CVE-2012-4638 is a vulnerability of currently unknown severity. Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.

Metrics

EPSS Probability

0.29%

20.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.1

References

Timeline

Published: Apr 23, 2014
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-4638?

Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.

How severe is CVE-2012-4638?

Severity scoring for CVE-2012-4638 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2012-4638?

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-2012-4638?

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

Scan your code now

Source: NVD / NIST