What’s Vulnerable › Vulnerabilities

CVE-2021-42255

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-12 · updated 2026-06-17
• Weakness: CWE-668

Description

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.

Affected products

• Blueplanet-Works Appguard: before 6.7.100.1 — fixed in 6.7.100.1

How to fix

Upgrade to a fixed version: Blueplanet-Works Appguard 6.7.100.1. Check the vendor advisory for mitigations.

References

• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0022/MNDT-2022-0022.md
• https://www.beyondtrust.com/blog
• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0022/MNDT-2022-0022.md
• https://www.beyondtrust.com/blog

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