1.2

CVE-2011-4028: x.org x_server Link Following

CVSS: 1.2v2.0LowModified
AliasesRHSA-2012:0303DEBIAN-CVE-2011-4028
Published 03-07-2012Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2011-4028 is a low (CVSS 1.2) Link Following vulnerability in x.org x_server. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities.

Overall risk
5/100
0100
Minimal · default modelHow is this calculated?
CVSS score
1.2/10
010
Low · v2.0 (NVD)
EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2012:0939

Timeline

  1. 03-07-2012
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

0.00 pp

From 0.37% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.37%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat9 products
  • xorg-x11-server< 0:1.1.1-48.90.el5
  • xorg-x11-server-debuginfo< 0:1.1.1-48.90.el5
  • xorg-x11-server-sdk< 0:1.1.1-48.90.el5
  • xorg-x11-server-Xdmx< 0:1.1.1-48.90.el5
  • xorg-x11-server-Xephyr< 0:1.1.1-48.90.el5
Debian1 product
  • xorg-server< 2:1.11.1.901-2
X.org1 product

3 vendors · 11 products

References

21 links
Show all 21 references