What is CVE-2021-40108?

CVE-2021-40108 is a high-severity vulnerability in Concretecms Concrete Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-09-27.

How severe is CVE-2021-40108?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Concretecms Concrete Cms

CVE-2021-40108

An issue was discovered in Concrete CMS through 8.5.5. The Calendar is vulnerable to CSRF. ccm_token is not verified on the ccm/calendar/dialogs/event/add/save endpoint.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (40.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Concretecms Concrete_cms
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

cve@mitre.org (Permissions Required, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40108?: CVE-2021-40108 is a high-severity vulnerability in Concretecms Concrete Cms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-09-27.
How severe is CVE-2021-40108?: High severity. CVSS v3 base score is 8.8 out of 10.