The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when run on certain Linux kernels, which allows local users to gain privileges via vectors related to the number of running processes.
Conclusion & alert: CVE-2014-0240 is rated Moderate Risk (40.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-03-12 | 0.31% | 0.23% | -0.08% |
| 2 | 2026-03-04 | 0.10% | 0.31% | +0.21% |
| 3 | 2026-03-01 | — | 0.10% | — |
Full EPSS history (35 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.2 | 2.0 | MEDIUM |
|
1.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-0240 not yet assigned priority: Debian including 1 source packages (mod-wsgi), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-0240 |
gentoo
|
high | CVE-2014-0240: 1 GLSA(s) (201412-21), 1 atom(s) (www-apache/mod_wsgi); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-0240 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2014-0240 |
ubuntu
|
medium | CVE-2014-0240 medium priority: Ubuntu including 1 source packages (mod-wsgi), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 4, ignored 1. | https://ubuntu.com/security/CVE-2014-0240 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| modwsgi | mod_wsgi | <= 3.4 | cpe:2.3:a:modwsgi:mod_wsgi:*:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.0 | cpe:2.3:a:modwsgi:mod_wsgi:1.0:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.1 | cpe:2.3:a:modwsgi:mod_wsgi:1.1:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.2 | cpe:2.3:a:modwsgi:mod_wsgi:1.2:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.3 | cpe:2.3:a:modwsgi:mod_wsgi:1.3:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.4 | cpe:2.3:a:modwsgi:mod_wsgi:1.4:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.5 | cpe:2.3:a:modwsgi:mod_wsgi:1.5:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 1.6 | cpe:2.3:a:modwsgi:mod_wsgi:1.6:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.0 | cpe:2.3:a:modwsgi:mod_wsgi:2.0:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.1 | cpe:2.3:a:modwsgi:mod_wsgi:2.1:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.2 | cpe:2.3:a:modwsgi:mod_wsgi:2.2:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.3 | cpe:2.3:a:modwsgi:mod_wsgi:2.3:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.4 | cpe:2.3:a:modwsgi:mod_wsgi:2.4:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.5 | cpe:2.3:a:modwsgi:mod_wsgi:2.5:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.6 | cpe:2.3:a:modwsgi:mod_wsgi:2.6:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.7 | cpe:2.3:a:modwsgi:mod_wsgi:2.7:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 2.8 | cpe:2.3:a:modwsgi:mod_wsgi:2.8:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 3.0 | cpe:2.3:a:modwsgi:mod_wsgi:3.0:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 3.1 | cpe:2.3:a:modwsgi:mod_wsgi:3.1:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 3.2 | cpe:2.3:a:modwsgi:mod_wsgi:3.2:*:*:*:*:*:*:* |
| modwsgi | mod_wsgi | 3.3 | cpe:2.3:a:modwsgi:mod_wsgi:3.3:*:*:*:*:*:*:* |