CVE-2021-42278

high

Description

Active Directory Domain Services Elevation of Privilege Vulnerability

References

https://thehackernews.com/2025/02/ransomhub-becomes-2024s-top-ransomware.html

https://www.group-ib.com/blog/ransomhub-never-sleeps-episode-1/

https://www.welivesecurity.com/en/eset-research/cosmicbeetle-steps-up-probation-period-ransomhub

https://thehackernews.com/2024/09/cosmicbeetle-deploys-custom-scransom.html

https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-131a

https://arstechnica.com/security/2024/05/black-basta-ransomware-group-is-imperiling-critical-infrastructure-groups-warn/

https://www.hackthebox.com/blog/cve-2022-26923-certifried-explained

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42278

Details

Source: Mitre, NVD

Published: 2021-11-10

Updated: 2025-03-07

Named Vulnerability: noPacKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.94019