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Vulnerability record · CVE-2008-4304 · published 23 December 2008

CVE-2008-4304: Phpcollab os command injection vulnerability

Phpcollab · Phpcollab

general/login.php in phpCollab 2.5 rc3 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in unspecified input related to the SSL_CLIENT_CERT environment variable. NOTE: in some environments, SSL_CLIENT_CERT always has a base64-encoded string value, which may impose constraints on injection for typical shells.

10.0 CVSS 2.0 High EPSS 3.0% · top 13.1% CWE-78 · OS command injection
10.0CVSS 2.0 base score
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

general/login.php in phpCollab 2.5 rc3 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in unspecified input related to the SSL_CLIENT_CERT environment variable. NOTE: in some environments, SSL_CLIENT_CERT always has a base64-encoded string value, which may impose constraints on injection for typical shells.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.gentoo.org/show_bug.cgi?id=235052
http://secunia.com/advisories/33258 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200812-20.xml
http://www.securityfocus.com/bid/32964
https://exchange.xforce.ibmcloud.com/vulnerabilities/47522
http://bugs.gentoo.org/show_bug.cgi?id=235052
http://secunia.com/advisories/33258 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200812-20.xml
http://www.securityfocus.com/bid/32964
https://exchange.xforce.ibmcloud.com/vulnerabilities/47522

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-4304), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.