CVE-2021-42110

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

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 21.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-12-08 15:42Z4 YR AGO

Last updated

2025-05-30 16:01Z1 YR AGO

Reserved

2021-10-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

cd091135c3891a72292e7719cc7db4015281f260fd13ded4677701f6c9a1c6d2

• excellium-services.comhttps://excellium-services.com/cert-xlm-advisory/CVE-2021-42110
• www.popsy.comhttp://www.popsy.com/Documents/Setups/Setup.Allegro.3.3.4154.2.exe
• cds.thalesgroup.comhttps://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42110