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Vulnerability record · CVE-2014-0012 · published 19 May 2014

CVE-2014-0012: Pocoo jinja2 permissions and access controls vulnerability

PPocoo · Jinja2

FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1402.

4.4 CVSS 2.0 Medium EPSS 0.43% · top 64.3% CWE-264 · Permissions and access controls
4.4CVSS 2.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1402.

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

Affected products

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

References

LinkTags
http://seclists.org/oss-sec/2014/q1/73
http://secunia.com/advisories/56328
http://secunia.com/advisories/60738
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
https://bugzilla.redhat.com/show_bug.cgi?id=1051421
https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7 ExploitPatch
https://github.com/mitsuhiko/jinja2/pull/292
https://github.com/mitsuhiko/jinja2/pull/296
http://seclists.org/oss-sec/2014/q1/73
http://secunia.com/advisories/56328
http://secunia.com/advisories/60738
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
https://bugzilla.redhat.com/show_bug.cgi?id=1051421
https://github.com/mitsuhiko/jinja2/commit/acb672b6a179567632e032f547582f30fa2f4aa7 ExploitPatch
https://github.com/mitsuhiko/jinja2/pull/292
https://github.com/mitsuhiko/jinja2/pull/296

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Related vulnerabilities

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

9.8CVE-2019-8341Jinja2 from_string Server-Side Template InjectionJinja2 2.10's from_string function treats the source parameter as a template, rendering it and returning the result, which allows Server-Side Templat…EPSS 45%analysed4.4CVE-2014-1402Pocoo jinja2 permissions and access controls vulnerabilityThe default configuration for bccache.FileSystemBytecodeCache in Jinja2 before 2.7.2 does not properly create temporary files, which allows local use…EPSS 0.38%7.4CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.4%analysed6.6CVE-2015-1769Windows Mount Manager symlink mishandling allows local privilege escalationThe Windows Mount Manager mishandles symbolic links, allowing a crafted USB device to trigger arbitrary code execution. Because the flaw is in a core…KEVEPSS 4.1%analysed7.8CVE-2016-3643SolarWinds Virtualization Manager sudo misconfiguration privilege escalationSolarWinds Virtualization Manager 6.3.1 and earlier ship with a misconfigured sudo policy that lets a local user run privileged commands, as shown by…KEVEPSS 3.7%analysed

Source: NIST National Vulnerability Database (record CVE-2014-0012), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.