01 Record
CVE-2011-2520
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
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.1% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-07-21 23:00Z15 YR AGO
- Last updated
- 2024-08-06 23:00Z2 YR AGO
- Reserved
- 2011-06-15
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-502Deserialization of Untrusted DataBase
- Data version
- 5.1
- Document digest
- 0be7c641af4622f15d79d89d58a4e5fbe450bd7fc911dd8fad4731803c00fd68
05 Affected products
VendorProductVersionsPlatforms
06 References
- lists.fedoraproject.orgFEDORA-2011-9652http://lists.fedoraproject.org/pipermail/package-announce/2011-August/063314.html
- exchange.xforce.ibmcloud.comsystemconfigfirewall-priv-escalation(68734)https://exchange.xforce.ibmcloud.com/vulnerabilities/68734
- www.openwall.com[oss-security] 20110718 CVE-2011-2520: flaw in system-config-firewall's usage of pickle allows privilege escalationhttp://www.openwall.com/lists/oss-security/2011/07/18/6
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=717985
- www.redhat.comRHSA-2011:0953http://www.redhat.com/support/errata/RHSA-2011-0953.html
- www.securityfocus.com48715http://www.securityfocus.com/bid/48715
- securitytracker.com1025793http://securitytracker.com/id?1025793
- secunia.com45294http://secunia.com/advisories/45294