CVE-2022-37774

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-23 · updated 2026-07-09
Weakness: CWE-287

Description

There is a broken access control vulnerability in the Maarch RM 2.8.3 solution. When accessing some specific document (pdf, email) from an archive, a preview is proposed by the application. This preview generates a URL including an md5 hash of the file accessed. The document's URL (https://{url}/tmp/{MD5 hash of the document}) is then accessible without authentication.

Affected products

Maarch Rm: from 2.8 before 2.8.6; 2.9 — fixed in 2.8.6

How to fix

Upgrade to a fixed version: Maarch Rm 2.8.6. Check the vendor advisory for mitigations.

References

https://github.com/frame84/vulns/blob/main/MaarchRM/CVE-2022-37774/README.md
https://github.com/frame84/vulns/blob/main/MaarchRM/CVE-2022-37774/README.md

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