8.8

CVE-2021-3187: beyondtrust privilege_management_for_mac Incorrect Default Permissions

CVSS: 8.8v3.1HighModified
Published 11-12-2023Last modified 27-05-2025
Open JSON

Vulnerability summary

CVE-2021-3187 is a high (CVSS 8.8) Incorrect Default Permissions vulnerability in beyondtrust privilege_management_for_mac. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.9% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-12-2023
    PublishedVulnerability first disclosed.
  2. 27-05-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in BeyondTrust Privilege Management for Mac before 5.7. An authenticated, unprivileged user can elevate privileges by running a malicious script (that executes as root from a temporary directory) during install time. (This applies to macOS before 10.15.5, or Security Update 2020-003 on Mojave and High Sierra, Later versions of macOS are not vulnerable.)

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.64% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Beyondtrust1 product

1 vendor · 1 product

References

2 links