How severe is CVE-2012-5493?

CVE-2012-5493 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2012-5493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5493?

CVE-2012-5493 primarily affects Plone. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5493?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-5493 published?

CVE-2012-5493 was published on 2014-09-30 and last updated on 2026-06-16.

CVE-2012-5493

CVE-2012-5493 is a high-severity vulnerability in Plone with a CVSS 2.0 base score of 8.5. 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-94.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Plone
Published: 2014-09-30
Last modified: 2026-06-16

Description

gtbn.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain permissions to bypass the Python sandbox and execute arbitrary Python code via unspecified vectors.

Frequently asked questions

What is CVE-2012-5493?: gtbn.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain permissions to bypass the Python sandbox and execute arbitrary Python code via unspecified vectors.
How severe is CVE-2012-5493?: CVE-2012-5493 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2012-5493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5493?: CVE-2012-5493 primarily affects Plone. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-5493 published?: CVE-2012-5493 was published on 2014-09-30 and last updated on 2026-06-16.

References

Affected products (72)

cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.7:*:*:*:*:*:*:*

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