6.5

CVE-2021-1679: microsoft windows_10

CVSS: 6.5v3.1MediumModified
Published 12-01-2021Last modified 08-10-2024

Vulnerability summary

CVE-2021-1679 is a medium (CVSS 6.5) vulnerability in microsoft windows_10. EPSS estimates a 3.74% chance of exploitation in the next 30 days, higher than 89.7% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
3.74%
0%100%
Low · +0.28 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-01-2021
    PublishedVulnerability first disclosed.
  2. 08-10-2024
    Last modifiedVulnerability information updated.

Description

Windows CryptoAPI Denial of Service Vulnerability

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.74%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

+0.28 pp

From 3.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.74%

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

No weakness data has been published for this record.

Affected systems

Microsoft29 products

1 vendor · 29 products

References

2 links