VULNERABILITY INTELLIGENCE

CVE-2016-3957

CVSS score9.8 CRITICAL
EPSS probability4.94%
CISA KEVNot currently listed
Published2018-02-06
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The secure_load function in gluon/utils.py in web2py before 2.14.2 uses pickle.loads to deserialize session information stored in cookies, which might allow remote attackers to execute arbitrary code by leveraging knowledge of encryption_key.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references