Security readout for executives and security teams
Plain-English summary
CVE-2019-25087 is a path traversal issue in RamseyK httpserver. A remote requester may be able to use crafted URI path segments to read files outside the intended resource directory. The CVSS score is medium, focused on limited confidentiality impact, but exposed deployments still need prompt review because no authentication or user interaction is required.
Executive priority
Treat this as a moderate-priority exposure review. It is not listed as known exploited in the provided data, but remote unauthenticated file disclosure can become serious if sensitive files are reachable. Prioritize internet-facing or embedded deployments first.
Technical view
The issue affects ResourceHost::getResource in src/ResourceHost.cpp, in the URI Handler component. Manipulation of the uri argument can lead to CWE-24 path traversal using parent-directory style input. The CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. A patch is identified as commit 1a0de56e4dafff9c2f9c8f6b130a764f7a50df52.
Likely exposure
Exposure is most likely where RamseyK httpserver is deployed and reachable over a network, especially internet-facing instances. The source bundle does not identify affected release versions or CPEs, so teams should inventory by repository, dependency, fork, or deployed commit rather than relying on version matching alone.
Exploitation context
The CVSS vector indicates remote, low-complexity, unauthenticated exploitation without user interaction, with limited confidentiality impact. The source bundle says KEV is false and provides no evidence of active exploitation. No integrity or availability impact is claimed in the provided CVSS data.
Researcher notes
Evidence is limited to VulDB, CVE data, and the GitHub patch reference. Affected versions are not specified. Researchers should focus on code provenance and patch presence, not broad product assumptions. Avoid claiming exploitation in the wild without additional sourced evidence.
Mitigation direction
- Apply the RamseyK/httpserver patch commit or a vendor release containing it.
- If patch status is unclear, check the vendor repository before exposing the server.
- Restrict network access to affected deployments until remediation is confirmed.
- Review file-serving configuration for unnecessary access to sensitive directories.
Validation and detection
- Inventory systems, containers, forks, and source trees for RamseyK/httpserver usage.
- Compare deployed code against patch commit 1a0de56e4dafff9c2f9c8f6b130a764f7a50df52.
- Confirm request handling rejects parent-directory traversal without revealing unintended files.
- Document affected assets, remediation status, and any compensating access controls.
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-24: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2019-25087 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://vuldb.com/?id.216863CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.216863CVE reference · signature, permissions-required
- https://github.com/RamseyK/httpserver/commit/1a0de56e4dafff9c2f9c8f6b130a764f7a50df52CVE reference · patch
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.
Path Traversal: '../filedir'
Path Traversal: '../filedir' represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.