How severe is CVE-2014-0012?

CVE-2014-0012 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2014-0012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0012?

CVE-2014-0012 affects Pocoo Jinja2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-0012?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0012 published?

CVE-2014-0012 was published on 2014-05-19 and last updated on 2026-06-17.

CVE-2014-0012

CVE-2014-0012 is a medium-severity vulnerability in Pocoo Jinja2 with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Pocoo Jinja2
Published: 2014-05-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2014-0012?: 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.
How severe is CVE-2014-0012?: CVE-2014-0012 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2014-0012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0012?: CVE-2014-0012 affects Pocoo Jinja2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-0012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0012 published?: CVE-2014-0012 was published on 2014-05-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pocoo:jinja2:2.7.2:*:*:*:*:*:*:*

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