VULNERABILITY INTELLIGENCE

CVE-2011-2520

CVSS score7.8 HIGH
EPSS probability0.42%
CISA KEVNot currently listed
Published2011-07-21
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

fw_dbus.py in system-config-firewall 1.2.29 and earlier uses the pickle Python module unsafely during D-Bus communication between the GUI and the backend, which might allow local users to gain privileges via a crafted serialized object.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references