CVE-2021-42791

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.63% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.6% of scored records. A rank, not a probability.

NVD base score

7.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-01-28 13:01Z4 YR AGO

Last updated

2024-08-04 03:38Z2 YR AGO

Reserved

2021-10-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base

Data version

5.1

Document digest

137e5898dacc947d6aae9d84c14989d056a99e19219c9d101b74ff64c0ad9f1a

• www.compass-security.comhttps://www.compass-security.com/en/research/advisoriesx_refsource_MISC
• www.veridiumid.comhttps://www.veridiumid.com/press/veridium-eliminates-passwords-with-veridiumad-for-enterprises-using-microsoft-active-directory/x_refsource_MISC
• www.compass-security.comhttps://www.compass-security.com/fileadmin/Research/Advisories/2022_03_CSNC-2021-017_VeridiumId_Broken_Access_Control.txtx_refsource_MISC