CVE-2011-2520
HIGH · CVSS 7.8EPSS 0.4%EU EUVD
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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-502
- EPSS score
- 0.4% (37th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2505)
- Published
- July 21, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2505 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- fedoraproject / fedora
- redhat / system-config-firewall
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html(Mailing List)
- http://secunia.com/advisories/45294(Not Applicable)
- http://securitytracker.com/id?1025793(Broken Link)
- http://www.openwall.com/lists/oss-security/2011/07/18/6(Mailing List)
- http://www.redhat.com/support/errata/RHSA-2011-0953.html(Not Applicable)
- http://www.securityfocus.com/bid/48715(Broken Link)
- https://bugzilla.redhat.com/show_bug.cgi?id=717985(Issue Tracking)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68734(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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