Security readout for executives and security teams
Plain-English summary
NCH Quorum v2.03 and earlier allows an authenticated user to read files outside the intended log area through directory traversal. This is not described as remotely exploitable without credentials, but it can expose sensitive local files if a valid user account is abused.
Executive priority
Treat this as a targeted legacy-software risk. Prioritize if Quorum is internet-accessible, used by many accounts, or runs with broad file permissions. No active exploitation is cited in the bundle.
Technical view
The CVE describes authenticated directory traversal in NCH Quorum v2.03 and earlier through a log file retrieval parameter, resulting in arbitrary local file reading. The source bundle provides no CVSS score, CWE, vendor advisory, patch version, or detailed affected CPEs.
Likely exposure
Exposure is likely limited to organizations still running NCH Quorum v2.03 or earlier with reachable authenticated web access. The bundle does not identify other products, platforms, or configurations.
Exploitation context
CISA KEV is false in the provided bundle, so active exploitation is not established. A public proof-of-concept reference is listed, which increases validation urgency for any remaining legacy deployments.
Researcher notes
Evidence is sparse. The CVE text names authenticated file reading via directory traversal, and references include a public PoC and the vendor product page. No authoritative patch note, CVSS vector, CWE, or affected CPE is provided.
Mitigation direction
- Inventory any NCH Quorum deployments and confirm installed versions.
- Check NCH vendor guidance for patched or replacement versions.
- Restrict Quorum access to trusted networks and necessary users only.
- Remove or decommission unsupported Quorum instances where feasible.
- Review file permissions for the Quorum service account.
Validation and detection
- Confirm whether NCH Quorum v2.03 or earlier is present.
- Verify authenticated users cannot read unintended local files.
- Review logs for directory traversal patterns in log retrieval requests.
- Check whether the service account can access sensitive files.
- Document exposure, compensating controls, and upgrade status.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-37445 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_LFI.mdCVE reference · x_refsource_MISC
- https://www.nch.com.au/conference/index.htmlCVE reference · x_refsource_MISC
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.