CVE-2008-4476

sympa.pl in sympa 5.3.4 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/sympa_aliases.$$ temporary file. NOTE: wwsympa.fcgi was also reported, but the issue occurred in a dead function, so it is not a vulnerability.

Published: 2008-10-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-4476 is rated Low Risk (37.2/100): 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-2008-4476

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 0.04% 0.35% +0.31%
2 2023-03-07 1.28% 0.04% -1.24%
3 2022-02-04 — 1.28% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4476

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2008-4476

OS Trackers for CVE-2008-4476

vendor priority summary link
debian low CVE-2008-4476 low priority: Debian including 1 source packages (sympa), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2008-4476
ubuntu negligible CVE-2008-4476 negligible priority: Ubuntu including 1 source packages (sympa), 12 status rows across 12 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 7, ignored 4, released 1. https://ubuntu.com/security/CVE-2008-4476

Affected software / configurations for CVE-2008-4476

Vendor Product Version Raw CPE
sympa sympa 5.3.4 cpe:2.3:a:sympa:sympa:5.3.4:*:*:*:*:*:*:*

References for CVE-2008-4476

cvelogic Threat Intelligence