What is CVE-2022-37043?

CVE-2022-37043 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.7/10. Published 2022-08-12.

How severe is CVE-2022-37043?

Medium severity. CVSS v3 base score is 5.7 out of 10.

CSRF in Zimbra Collaboration

CVE-2022-37043

An issue was discovered in the webmail component in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. When using preauth, CSRF tokens are not checked on some POST endpoints. Thus, when an authenticated user views an attacker-controlled page, a request will be sent to the application that appears to be intended. The CSRF token is omitted from the request, but the request still succeeds.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2022-08-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Zimbra Collaboration — versions 8.8.15, 9.0.0

Weakness classification (CWE)

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

References

wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
wiki.zimbra.com/wiki/Security_Center (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-37043?: CVE-2022-37043 is a medium-severity vulnerability in Zimbra Collaboration, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.7/10. Published 2022-08-12.
How severe is CVE-2022-37043?: Medium severity. CVSS v3 base score is 5.7 out of 10.