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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (20.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.beyondtrust.com/blog (Not Applicable)
- github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0022/M… (Third Party Advisory)
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.