Vulnerability in Blueplanet-Works Appguard

CVE-2021-42255

AppGuard Enterprise before 6.7.100.1 creates a Temporary File in a Directory with Insecure Permissions. Local users can gain SYSTEM privileges because a repair operation relies on the %TEMP% directory of an unprivileged user.

EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-42255?
CVE-2021-42255 is a high-severity vulnerability in Blueplanet-Works Appguard, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.8/10. Published 2022-04-12.
How severe is CVE-2021-42255?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-42255 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.