CVE-2021-42711

7.8 highEPSS 0.3%

High (7.8) in barracuda network access client. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2021-12-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

barracuda:network_access_client

References

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

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