VulnerabilityModified

CVE-2021-42711

Barracuda Network Access Client before 5.2.2 creates a Temporary File in a Directory with Insecure Permissions.

HIGH 7.8EPSS 0.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.26% probability · 18th percentile
CISA KEV: Not listed
Weakness: CWE-276
Affected: barracuda/network access client
Source: cve@mitre.org

References

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.mdThird Party Advisory
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0010/MNDT-2021-0010.mdThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.