CVE-2011-4213

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-10-30 · updated 2026-06-16
Weakness: CWE-264

Description

The sandbox environment in the Google App Engine Python SDK before 1.5.4 does not properly prevent use of the os module, which allows local users to bypass intended access restrictions and execute arbitrary commands via a file_blob_storage.os reference within the code parameter to _ah/admin/interactive/execute, a different vulnerability than CVE-2011-1364.

Affected products

Google App Engine Python Sdk: before 1.5.4 — fixed in 1.5.4

How to fix

Upgrade to a fixed version: Google App Engine Python Sdk 1.5.4. Check the vendor advisory for mitigations.

References

http://blog.watchfire.com/files/googleappenginesdk.pdf
http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes
https://exchange.xforce.ibmcloud.com/vulnerabilities/71062
http://blog.watchfire.com/files/googleappenginesdk.pdf
http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes
https://exchange.xforce.ibmcloud.com/vulnerabilities/71062

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