5.9

CVE-2011-4600: canonical ubuntu_linux Improper Access Control

Modified
AliasesRHBA-2012:0013UBUNTU-CVE-2011-4600DEBIAN-CVE-2011-4600
Published 14-04-2016Last modified 07-08-2024

Vulnerability summary

CVE-2011-4600 is a medium (CVSS 5.9) Improper Access Control vulnerability in canonical ubuntu_linux. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
1.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2024:10209-1USN-2867-1

Timeline

  1. 14-04-2016
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.78%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.78% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat7 products
  • libvirt0.9.8
  • libvirt< 0:0.9.4-23.el6_2.4
  • libvirt-client< 0:0.9.4-23.el6_2.4
  • libvirt-debuginfo< 0:0.9.4-23.el6_2.4
  • libvirt-devel< 0:0.9.4-23.el6_2.4
Canonical1 product
Debian1 product
  • libvirt< 0.9.9-1
Ubuntu1 product
  • libvirt< 1.2.2-0ubuntu13.1.14

4 vendors · 10 products

References

21 links
Show all 21 references