CVE-2012-4121

Name: CVE-2012-4121
Creator: NVD / NIST
Published: 2013-10-14T03:34:55.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.30%

Last modified Jun 16, 2026

CVE-2012-4121 is a vulnerability of currently unknown severity. Cisco NX-OS allows local users to gain privileges, and read or modify arbitrary files, via the sed (1) r and (2) w commands, aka Bug IDs CSCts56559, CSCts56565, CSCts56570, and CSCts56574.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Cisco NX-OS allows local users to gain privileges, and read or modify arbitrary files, via the sed (1) r and (2) w commands, aka Bug IDs CSCts56559, CSCts56565, CSCts56570, and CSCts56574.

Metrics

EPSS Probability

0.30%

21.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	All versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4121Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4121Vendor Advisory

Timeline

Published: Oct 14, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-4121?

Cisco NX-OS allows local users to gain privileges, and read or modify arbitrary files, via the sed (1) r and (2) w commands, aka Bug IDs CSCts56559, CSCts56565, CSCts56570, and CSCts56574.

How severe is CVE-2012-4121?

Severity scoring for CVE-2012-4121 is pending analysis. The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2012-4121?

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-2012-4121?

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

Scan your code now

Source: NVD / NIST