CVE intelligence and bounded remediation

CVE-2022-37774 — There is a broken access control vulnerability in the Maarch RM 2.8.3 solution

Medium CVSS 5.3

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.

Severity
Medium
CVSS
5.3 (3.1)
Published
2022-11-23
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-287

Affected products

  • maarch / maarch_rm
  • maarch / maarch_rm / 2.9

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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