CVE-2021-38371

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

1.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 80.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-08-10 14:06Z5 YR AGO

Last updated

2025-11-03 21:45Z11 MO AGO

Reserved

2021-08-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class

Data version

5.2

Document digest

a64402d87230f0670a492d13d9d6c568397c589c27a4b7b517f05b521a3555d3

• nostarttls.secvuln.infohttps://nostarttls.secvuln.infox_refsource_MISC
• www.exim.orghttps://www.exim.orgx_refsource_MISC
• www.exim.orghttps://www.exim.org/static/doc/security/CVE-2021-38371.txtx_refsource_MISC
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/10/msg00029.html