CVE-2021-37698

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

1.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 71.5% 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:H/I:N/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

2021-08-19 13:55Z5 YR AGO

Last updated

2025-11-03 21:45Z11 MO AGO

Reserved

2021-07-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.2

Document digest

6d7a0956bbf75f8850e5d0a8d50f3e63489c4098da5d5f73cae43bbb709ab916

• github.comhttps://github.com/Icinga/icinga2/security/advisories/GHSA-cxfm-8j5v-5qr2x_refsource_CONFIRM
• github.comhttps://github.com/Icinga/icinga2/releases/tag/v2.11.11x_refsource_MISC
• github.comhttps://github.com/Icinga/icinga2/releases/tag/v2.12.6x_refsource_MISC
• github.comhttps://github.com/Icinga/icinga2/releases/tag/v2.13.1x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20211110 [SECURITY] [DLA 2816-1] icinga2 security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00010.htmlmailing-listx_refsource_MLIST
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/11/msg00010.html