CVE-2002-0557

Name: CVE-2002-0557
Creator: NVD / NIST
Published: 2002-07-03T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.20%

Last modified Jun 16, 2026

CVE-2002-0557 is a vulnerability of currently unknown severity. Vulnerability in OpenBSD 3.0, when using YP with netgroups in the password database, causes (1) rexec or (2) rsh to run another user's shell, or (3) atrun to change to a different user's directory, possibly due to memory allocation failures or an incorrect call to auth_approval().. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

Vulnerability in OpenBSD 3.0, when using YP with netgroups in the password database, causes (1) rexec or (2) rsh to run another user's shell, or (3) atrun to change to a different user's directory, possibly due to memory allocation failures or an incorrect call to auth_approval().

Metrics

EPSS Probability

1.20%

64.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Openbsd	Openbsd	3.0

References

http://www.iss.net/security_center/static/8625.phpPatch, Vendor Advisory
http://www.openbsd.org/errata30.html#approval
http://www.securityfocus.com/bid/4338Patch, Vendor Advisory
http://www.iss.net/security_center/static/8625.phpPatch, Vendor Advisory
http://www.openbsd.org/errata30.html#approval
http://www.securityfocus.com/bid/4338Patch, Vendor Advisory

Timeline

Published: Jul 3, 2002
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-0557?

How severe is CVE-2002-0557?

Severity scoring for CVE-2002-0557 is pending analysis. The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2002-0557?

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-2002-0557?

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

Scan your code now

Source: NVD / NIST