CVE-2002-0916 — Format string vulnerability in the allowuser code for the Stellar-X msntauth authentication module, as distributed in Squid 2.4.STABLE6 and earlier, allows remote attackers to execute arbitrary code via format strings in the user name, which are not properly handled in a syslog call

Back Back to CVE browser

HIGH

Format string vulnerability in the allowuser code for the Stellar-X msntauth authentication module, as distributed in Squid 2.4.STABLE6 and earlier, allows remote attackers to execute arbitrary code via format strings in the user name, which are not properly handled in a syslog call

Published Apr 2, 2003

7.5

HIGH

CVSS 2.0

EPSS 2.94%

Description

Format string vulnerability in the allowuser code for the Stellar-X msntauth authentication module, as distributed in Squid 2.4.STABLE6 and earlier, allows remote attackers to execute arbitrary code via format strings in the user name, which are not properly handled in a syslog call.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.94% 0.02943

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

EPSS probability 0.02943

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 (8 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	2.94% (0.02943)	86.66th	v5 (v2026.06.15)
Jun 15, 2026	2.94% (0.02943)	85.30th	v5 (v2026.06.15)
Mar 17, 2025	2.68% (0.02682)	84.85th	v4 (v2025.03.14)
Dec 12, 2024	3.85% (0.03847)	92.25th	v3 (v2023.03.01)
Mar 7, 2023	3.85% (0.03847)	90.50th	v3 (v2023.03.01)
Mar 6, 2023	6.52% (0.06523)	91.37th	v2 (v2022.01.01)
Apr 1, 2022	6.52% (0.06523)	90.53th	v2 (v2022.01.01)
Feb 4, 2022	6.52% (0.06523)	78.43th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (5)

http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0087.html
mailing-listx_refsource_VULNWATCH
http://online.securityfocus.com/archive/1/275347
mailing-listx_refsource_BUGTRAQ
http://www.iss.net/security_center/static/9248.php
vdb-entryx_refsource_XFVendor Advisory
http://www.securityfocus.com/bid/4929
vdb-entryx_refsource_BIDVendor Advisory
http://www.squid-cache.org/Versions/v2/2.4/diff-2.4.STABLE6-2.4.STABLE7.gz
x_refsource_CONFIRM

Link	Providers	Tags
http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0087.html		mailing-listx_refsource_VULNWATCH
http://online.securityfocus.com/archive/1/275347		mailing-listx_refsource_BUGTRAQ
http://www.iss.net/security_center/static/9248.php		vdb-entryx_refsource_XFVendor Advisory
http://www.securityfocus.com/bid/4929		vdb-entryx_refsource_BIDVendor Advisory
http://www.squid-cache.org/Versions/v2/2.4/diff-2.4.STABLE6-2.4.STABLE7.gz		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 2, 2003

Updated Aug 8, 2024

Reserved Aug 16, 2002

Link CVE-2002-0916

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0916

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0916