Security readout for executives and security teams
Plain-English summary
CVE-2021-35967 affects Learningdigital.com Orca HCM. A public directory page parameter may allow unauthenticated remote users to reach system directories through path traversal. The business risk is unauthorized information exposure, not documented service takeover. The source bundle does not identify affected versions or a confirmed patch.
Executive priority
Treat this as a moderate confidentiality risk. Prioritize internet-facing Orca HCM instances and systems containing sensitive learning, HR, or user data. The main urgency is confirming exposure and vendor remediation because the public source bundle does not specify fixed versions.
Technical view
The issue is CWE-22 path traversal in the Orca HCM digital learning platform directory page parameter. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, scoring 5.3. Sources describe insufficient filtering of special characters, enabling unauthenticated remote directory access. Version scope and remediation details are unspecified.
Likely exposure
Exposure is most likely for organizations operating Orca HCM, especially if the directory page is internet-accessible. The affected version range is unspecified and no CPEs are provided, so inventory confirmation with Learningdigital.com or local deployment records is required.
Exploitation context
The CVSS vector indicates network access, low attack complexity, no privileges, and no user interaction. The bundle does not show CISA KEV listing or other evidence of active exploitation. Public impact evidence is limited to low confidentiality loss through directory access.
Researcher notes
Evidence is sparse. The CVE record names Orca HCM and describes path traversal via an unfiltered directory page parameter, but affected versions, proof details, and patch status are not included in the supplied bundle. Avoid assuming broader product impact.
Mitigation direction
- Check Learningdigital.com, TWCERT, or CHT Security guidance for patched versions or vendor workarounds.
- Restrict external access to Orca HCM directory pages until remediation status is confirmed.
- Apply strict path canonicalization and traversal blocking if maintaining custom Orca HCM code.
- Monitor web logs for unusual directory page requests and unauthorized file access patterns.
Validation and detection
- Inventory all Orca HCM deployments and confirm whether the directory page is externally reachable.
- Verify the installed Orca HCM version and compare it with vendor remediation guidance.
- Review access logs for unauthenticated requests targeting the directory page parameter.
- Confirm controls prevent directory traversal without exposing sensitive filesystem paths.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile 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-2021-35967 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.
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:N3.91.4Primary CVE scoreVulnerability 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
Source materials
- CVE List V5 sourceCVE List V5
- https://www.chtsecurity.com/news/ba7b3ae7-14f3-4970-b3f6-4d97d8c7ea25CVE reference · x_refsource_MISC
- https://www.twcert.org.tw/tw/cp-132-4927-bbf01-1.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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
