TI-2021-18921 Aliases CVE-2021-42711 GHSA-x3fm-96g7-h798

Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with…

LOW 34CWE-276Published 2021-12-01 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions. This file is executed with SYSTEM privileges when an unprivileged user performs a repair operation.

Why it matters now

EPSS 0.00268 18th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:barracuda:network_access_client::::::windows::*	before 5.2.2	Vulnerable	Barracuda

cpe:2.3:a:barracuda:network_access_client:*:*:*:*:*:windows:*:* Versions before 5.2.2 Vulnerable ·Barracuda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-42711
2026-10-03 Alias added: GHSA-x3fm-96g7-h798

References

Advisory 1

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.md

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences