Security readout for executives and security teams
Plain-English summary
Maarch RM 2.8.3 can expose previewed archive documents through unauthenticated temporary URLs. If sensitive PDFs or emails are previewed, someone who obtains the generated link could read that document without logging in.
Executive priority
Treat as a moderate confidentiality issue. Prioritize review if Maarch RM stores regulated, legal, customer, HR, or email archives, especially on internet-facing systems.
Technical view
The issue is broken access control around archive preview generation. The application creates a URL under /tmp/ using an MD5 hash of the accessed file, and that URL is reachable without authentication. CVSS 3.1 is 5.3, driven by network access, low complexity, no privileges, and limited confidentiality impact.
Likely exposure
Exposure is likely limited to organizations running Maarch RM 2.8.3 with document preview enabled and reachable over a network. The structured affected-product data is incomplete, so confirm product and version directly in asset inventory.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability is still meaningful because it removes authentication from generated document preview URLs, creating a direct confidentiality risk if links are discovered or shared.
Researcher notes
Evidence names Maarch RM 2.8.3 and describes unauthenticated access to MD5-based preview URLs. The bundle lacks CPEs, vendor patch details, and active exploitation evidence, so validation should focus on version confirmation and authenticated access enforcement.
Mitigation direction
- Check Maarch RM vendor guidance for fixed versions or supported workarounds.
- Limit external access to Maarch RM until remediation is confirmed.
- Restrict unauthenticated access to temporary preview document paths where feasible.
- Disable document preview if business operations allow and vendor guidance supports it.
- Review logs for unusual access to generated preview URLs.
Validation and detection
- Confirm whether Maarch RM 2.8.3 is deployed.
- Identify whether archive previews generate temporary document URLs.
- Verify preview URLs require authentication before serving document content.
- Check web logs for unauthenticated requests to temporary preview paths.
- Confirm remediation against vendor guidance, not only perimeter controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-37774 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/frame84/vulns/blob/main/MaarchRM/CVE-2022-37774/README.mdCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.