CVE-2009-4079

Cross-site request forgery (CSRF) vulnerability in Redmine 0.8.5 and earlier allows remote attackers to hijack the authentication of users for requests that delete a ticket via unspecified vectors.

Published: 2009-11-25 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4079 is rated Moderate Risk (42.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). Review affected assets and schedule remediation.

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-2009-4079

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 2025-03-17 1.97% 0.27% -1.70%
2 2024-12-17 0.33% 1.97% +1.64%
3 2023-03-07 — 0.33% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4079

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2009-4079

OS Trackers for CVE-2009-4079

vendor priority summary link
debian not yet assigned CVE-2009-4079 not yet assigned priority: Debian including 1 source packages (redmine), 3 status rows across 3 suites (bookworm, sid, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2009-4079
ubuntu medium CVE-2009-4079 medium priority: Ubuntu including 1 source packages (redmine), 23 status rows across 23 suites (artful, bionic, dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 13, DNE 6, not-affected 3, released 1. https://ubuntu.com/security/CVE-2009-4079

Affected software / configurations for CVE-2009-4079

Vendor Product Version Raw CPE
redmine redmine <= 0.8.5 cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*
redmine redmine 0.1.0 cpe:2.3:a:redmine:redmine:0.1.0:*:*:*:*:*:*:*
redmine redmine 0.2.1 cpe:2.3:a:redmine:redmine:0.2.1:*:*:*:*:*:*:*
redmine redmine 0.2.2 cpe:2.3:a:redmine:redmine:0.2.2:*:*:*:*:*:*:*
redmine redmine 0.3.0 cpe:2.3:a:redmine:redmine:0.3.0:*:*:*:*:*:*:*
redmine redmine 0.4.0 cpe:2.3:a:redmine:redmine:0.4.0:*:*:*:*:*:*:*
redmine redmine 0.4.1 cpe:2.3:a:redmine:redmine:0.4.1:*:*:*:*:*:*:*
redmine redmine 0.4.2 cpe:2.3:a:redmine:redmine:0.4.2:*:*:*:*:*:*:*
redmine redmine 0.5.0 cpe:2.3:a:redmine:redmine:0.5.0:*:*:*:*:*:*:*
redmine redmine 0.5.1 cpe:2.3:a:redmine:redmine:0.5.1:*:*:*:*:*:*:*
redmine redmine 0.6.0 cpe:2.3:a:redmine:redmine:0.6.0:*:*:*:*:*:*:*
redmine redmine 0.6.1 cpe:2.3:a:redmine:redmine:0.6.1:*:*:*:*:*:*:*
redmine redmine 0.6.2 cpe:2.3:a:redmine:redmine:0.6.2:*:*:*:*:*:*:*
redmine redmine 0.6.3 cpe:2.3:a:redmine:redmine:0.6.3:*:*:*:*:*:*:*
redmine redmine 0.6.4 cpe:2.3:a:redmine:redmine:0.6.4:*:*:*:*:*:*:*
redmine redmine 0.7.0 cpe:2.3:a:redmine:redmine:0.7.0:*:*:*:*:*:*:*
redmine redmine 0.7.0 cpe:2.3:a:redmine:redmine:0.7.0:rc1:*:*:*:*:*:*
redmine redmine 0.7.1 cpe:2.3:a:redmine:redmine:0.7.1:*:*:*:*:*:*:*
redmine redmine 0.7.2 cpe:2.3:a:redmine:redmine:0.7.2:*:*:*:*:*:*:*
redmine redmine 0.7.3 cpe:2.3:a:redmine:redmine:0.7.3:*:*:*:*:*:*:*
redmine redmine 0.7.4 cpe:2.3:a:redmine:redmine:0.7.4:*:*:*:*:*:*:*
redmine redmine 0.8.0 cpe:2.3:a:redmine:redmine:0.8.0:*:*:*:*:*:*:*
redmine redmine 0.8.0 cpe:2.3:a:redmine:redmine:0.8.0:rc1:*:*:*:*:*:*
redmine redmine 0.8.1 cpe:2.3:a:redmine:redmine:0.8.1:*:*:*:*:*:*:*
redmine redmine 0.8.2 cpe:2.3:a:redmine:redmine:0.8.2:*:*:*:*:*:*:*
redmine redmine 0.8.3 cpe:2.3:a:redmine:redmine:0.8.3:*:*:*:*:*:*:*
redmine redmine 0.8.4 cpe:2.3:a:redmine:redmine:0.8.4:*:*:*:*:*:*:*

References for CVE-2009-4079

cvelogic Threat Intelligence