7.8

CVE-2021-31843: mcafee endpoint_security Link Following

CVSS: 7.8v3.1HighModified
Published 17-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-31843 is a high (CVSS 7.8) Link Following vulnerability in mcafee endpoint_security. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.31%
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. 17-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Improper privileges management vulnerability in McAfee Endpoint Security (ENS) Windows prior to 10.7.0 September 2021 Update allows local users to access files which they would otherwise not have access to via manipulating junction links to redirect McAfee folder operations to an unintended location.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

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

Mcafee1 product
  • endpoint_security< 10.7.0 | 10.7.0 | 10.7.0:april_2020 | 10.7.0:april_2021 | 10.7.0:february_2020 | 10.7.0:february_2021 | 10.7.0:july_2020 | 10.7.0:june_2021 | 10.7.0:november_2020 | 10.7.0:september_2020
Mcafee,llc1 product

2 vendors · 2 products

References

1 links