CVE-2002-0557 — 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()

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HIGH

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()

Published Jun 11, 2002

7.5

HIGH

CVSS 2.0

EPSS 1.20%

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().

Affected products

Remediation

No remediation recorded yet.

Metrics

1.20% 0.01202

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01202

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (13 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.20% (0.01202)	67.11th	v5 (v2026.06.15)
Jun 15, 2026	1.20% (0.01202)	64.10th	v5 (v2026.06.15)
Mar 17, 2025	0.53% (0.00527)	65.13th	v4 (v2025.03.14)
Dec 12, 2024	0.70% (0.00697)	80.91th	v3 (v2023.03.01)
May 11, 2024	0.70% (0.00697)	80.12th	v3 (v2023.03.01)
Feb 8, 2024	0.33% (0.00333)	70.37th	v3 (v2023.03.01)
Oct 20, 2023	0.33% (0.00333)	67.89th	v3 (v2023.03.01)
Apr 9, 2023	0.34% (0.00340)	66.98th	v3 (v2023.03.01)
Mar 7, 2023	0.35% (0.00346)	67.11th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00954)	36.37th	v2 (v2022.01.01)
Sep 2, 2022	0.95% (0.00954)	34.50th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00954)	32.50th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00954)	16.28th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://www.iss.net/security_center/static/8625.php
vdb-entryx_refsource_XFPatchVendor Advisory
http://www.openbsd.org/errata30.html#approval
vendor-advisoryx_refsource_OPENBSD
http://www.securityfocus.com/bid/4338
vdb-entryx_refsource_BIDPatchVendor Advisory

Link	Providers	Tags
http://www.iss.net/security_center/static/8625.php		vdb-entryx_refsource_XFPatchVendor Advisory
http://www.openbsd.org/errata30.html#approval		vendor-advisoryx_refsource_OPENBSD
http://www.securityfocus.com/bid/4338		vdb-entryx_refsource_BIDPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 11, 2002

Updated Aug 8, 2024

Reserved Jun 7, 2002

Link CVE-2002-0557

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0557

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0557