CVE-2011-2520

7.8
HIGHCVSS v3.1 Base Score
0.42%
LOW RiskEPSS (34th percentile)

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.

Published: 7/21/2011
Modified: 6/16/2026
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Vulnerability Summary

CVSS v3 Score

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2 Score

6

AV:L/AC:H/Au:S/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

0.42%LOW Exploitation Risk
34th percentile

This vulnerability has a 0.42% probability of being exploited in the next 30 days, ranking higher than 34% of all scored CVEs.

CWE Classification

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