CVE-2007-0476

The gencert.sh script, when installing OpenLDAP before 2.1.30-r10, 2.2.x before 2.2.28-r7, and 2.3.x before 2.3.30-r2 as an ebuild in Gentoo Linux, does not create temporary directories in /tmp securely during emerge, which allows local users to overwrite arbitrary files via a symlink attack.

Published: 2007-01-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0476 is rated Low Risk (27.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.35%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-0476

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.35% +0.29%
2 2025-03-17 0.04% 0.06% +0.02%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0476

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2007-0476

OS Trackers for CVE-2007-0476

vendor priority summary link
gentoo low CVE-2007-0476: 1 GLSA(s) (200701-19), 1 atom(s) (net-nds/openldap); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-0476

Affected software / configurations for CVE-2007-0476

Vendor Product Version Raw CPE
gentoo linux 2.1.30 cpe:2.3:o:gentoo:linux:2.1.30:r9:*:*:*:*:*:*
gentoo linux 2.2.28 cpe:2.3:o:gentoo:linux:2.2.28:r7:*:*:*:*:*:*
gentoo linux 2.3.30 cpe:2.3:o:gentoo:linux:2.3.30:r2:*:*:*:*:*:*

References for CVE-2007-0476

cvelogic Threat Intelligence