Security readout for executives and security teams
Plain-English summary
CVE-2020-25248 is a reported directory traversal issue in Hyland OnBase. Affected versions may allow file reading through a filename-related parameter. The public bundle does not provide a CVSS score, confirmed patch version, or evidence of active exploitation.
Executive priority
Treat this as a targeted remediation item for OnBase environments, especially if externally reachable. Urgency is constrained by missing severity and exploit evidence, but potential file disclosure warrants prompt inventory and vendor-guided action.
Technical view
The CVE description says Hyland OnBase through specified 16.x, 17.x, 18.x, 19.x, and 20.x builds has directory traversal for reading files, demonstrated through the FileName parameter. Structured affected-product metadata is incomplete in the bundle.
Likely exposure
Exposure is most relevant where affected OnBase versions are reachable by untrusted users or networks. The source bundle does not identify specific modules, authentication requirements, deployment paths, or internet-exposed prevalence.
Exploitation context
The bundle does not cite CISA KEV listing or any confirmed active exploitation. Public references indicate disclosure, but evidence here is insufficient to assess weaponization, authentication needs, or practical exploit reliability.
Researcher notes
Key unknowns are authentication requirement, exact vulnerable endpoint, patch lineage, and affected component scope. The references are limited, and one listed title appears unrelated to the OnBase issue, so corroboration from Hyland should drive final exposure decisions.
Mitigation direction
- Check Hyland guidance for fixed versions or vendor-supported remediation.
- Inventory OnBase versions against the affected build ranges listed in the CVE.
- Limit access to affected OnBase components pending vendor-confirmed remediation.
- Review logs for unusual file access patterns involving filename parameters.
Validation and detection
- Confirm whether any OnBase deployment matches the listed affected versions.
- Identify externally reachable OnBase endpoints and restrict unnecessary access.
- Review vendor advisories or support notes for patch applicability.
- Validate remediation through approved internal testing without using public exploit payloads.
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-2020-25248 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://seclists.org/fulldisclosure/2020/Sep/21CVE reference · x_refsource_MISC
- https://seclists.org/fulldisclosure/2020/Oct/9CVE 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.