CVE & CISA-KEV Catalog

CVE-2021-28153

MEDIUMEPSS 84th pctl
5.3
CVSS v3
NVD

Description

An issue was discovered in GNOME GLib before 2.66.8. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is attacker-controlled. (If the path is a symlink to a file that already exists, then the contents of that file correctly remain unchanged.)

How to fix

Remediation Available
glib2.0Debian
Fixed in:2.66.7-2CVE-2021-28153
Fixed in:2.66.7-2CVE-2021-28153
Fixed in:2.66.7-2CVE-2021-28153
Fixed in:2.66.7-2CVE-2021-28153
glib2.0Ubuntu
Fixed in:2.48.2-0ubuntu4.8USN-4764-1
Fixed in:2.56.4-0ubuntu0.18.04.8USN-4764-1
Fixed in:2.64.6-1~ubuntu20.04.3USN-4764-1
libglib2.0-0Ubuntu
Fixed in:2.48.2-0ubuntu4.8USN-4764-1
Fixed in:2.56.4-0ubuntu0.18.04.8USN-4764-1
Fixed in:2.64.6-1~ubuntu20.04.3USN-4764-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

2.62%probability of exploitation in 30 days
84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-30333High7.599%KEV + RansomFix
CVE-2021-21300High8.089%-Fix
CVE-2021-32610High7.173%-Fix
CVE-2020-36193High7.571%KEVFix
CVE-2023-40028Medium4.958%-Fix
CVE-2020-0787High7.843%KEV + Ransom-
Embed a live status badge for CVE-2021-28153
CVE-2021-28153 severity badge

Markdown

[![CVE-2021-28153](https://tridentstack.com/cve/badge/CVE-2021-28153.svg)](https://tridentstack.com/cve/CVE-2021-28153)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-28153"><img src="https://tridentstack.com/cve/badge/CVE-2021-28153.svg" alt="CVE-2021-28153"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.