HOMEVULNERABILITIESCVE-2021-44038
HIGH

CVE-2021-44038

CWE-59Published: November 19, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.

NVD Source

Technical Analysis

CVE-2021-44038 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

quagga1 product(s)
quagga
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

https://bugzilla.suse.com/show_bug.cgi?id=1191890Exploit · Issue Tracking · Third Party Advisory
https://github.com/Quagga/quagga/releasesRelease Notes · Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1191890Exploit · Issue Tracking · Third Party Advisory
https://github.com/Quagga/quagga/releasesRelease Notes · Third Party Advisory

Quick Facts

CVE IDCVE-2021-44038
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedNov 19, 2021

Related CVEs (CWE-59)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-44038 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.