CVE-2021-37695

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

1.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 70.2% of scored records. A rank, not a probability.

NVD base score

5.4 (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:C/C:L/I:L/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

2021-08-12 23:10Z5 YR AGO

Last updated

2024-08-04 01:23Z2 YR AGO

Reserved

2021-07-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

5b9c730946d215b52521b5953b6b62eb9a0ea82ee46326a3afc0a20512f8461d

• github.comhttps://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhcx_refsource_CONFIRM
• github.comhttps://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-51457da891https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-72176a63a8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-87578dca12https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/vendor-advisoryx_refsource_FEDORA
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• lists.debian.org[debian-lts-announce] 20211109 [SECURITY] [DLA 2813-1] ckeditor security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00007.htmlmailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC