Avira Security for Windows - Denial of Service

published 2023-01-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51774

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

Avira Security for Windows contains an unquoted service path which allows attackers with local administrative privileges to cause a Denial of Service. The issue was fixed with Avira Security version 1.1.78

Patch / fix

fixed in 1

avira avira_security 1.1.78

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-04-08)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

NortonLifelock (GenDigital) Avira Security for Windows

Classification

Weakness

CWE-428 Unquoted Search Path or Element

References

support.norton.com /sp/static/external/tools/security-advisories.html
vendor-advisory

Sources

CVE List CVE-2022-4429
NVD CVE-2022-4429

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary