How severe is CVE-2011-4103?

CVE-2011-4103 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-4103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4103?

CVE-2011-4103 affects Djangoproject Piston. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4103?

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-2011-4103 published?

CVE-2011-4103 was published on 2014-10-27 and last updated on 2026-06-16.

CVE-2011-4103

CVE-2011-4103 is a high-severity vulnerability in Djangoproject Piston with a CVSS 2.0 base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Djangoproject Piston
Published: 2014-10-27
Last modified: 2026-06-16

Description

emitters.py in Django Piston before 0.2.3 and 0.2.x before 0.2.2.1 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code via vectors related to the yaml.load method.

Frequently asked questions

What is CVE-2011-4103?: emitters.py in Django Piston before 0.2.3 and 0.2.x before 0.2.2.1 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code via vectors related to the yaml.load method.
How severe is CVE-2011-4103?: CVE-2011-4103 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-4103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4103?: CVE-2011-4103 affects Djangoproject Piston. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4103?: 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-2011-4103 published?: CVE-2011-4103 was published on 2014-10-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:djangoproject:piston:*:*:*:*:*:*:*:*

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