Security readout for executives and security teams
Plain-English summary
CVE-2018-25074 is a low-severity denial-of-service risk in Prestaul skeemas. A URI validation path can trigger inefficient regular expression processing, potentially reducing availability. The sources do not identify affected versions, real-world exploitation, or business-impacting incidents.
Executive priority
Handle through normal vulnerability maintenance unless the dependency is present in exposed or multi-tenant workflows. The available evidence supports low urgency, focused on preventing localized availability degradation rather than data theft or system compromise.
Technical view
The issue is CWE-1333 in validators/base.js, where manipulation of the uri argument can cause inefficient regular expression complexity. CVSS 3.1 is 3.5 with adjacent attack vector, low attack complexity, low privileges required, no confidentiality or integrity impact, and low availability impact.
Likely exposure
Exposure is likely limited to applications using Prestaul skeemas and passing attacker-controlled URI values into the affected validator. The source bundle lists versions as n/a and provides no CPEs, so exact product exposure requires dependency review.
Exploitation context
The bundle does not show active exploitation, and KEV is false. The CVSS vector suggests an attacker needs adjacent access and low privileges, with impact limited to availability. No exploit details should be inferred beyond the described regex complexity condition.
Researcher notes
Key gaps are unspecified affected versions, no CPE data, and limited public technical detail beyond the affected file, uri argument, CWE-1333, and patch commit. Treat the patch as the strongest remediation signal and avoid claiming exploitation without new evidence.
Mitigation direction
- Identify whether Prestaul skeemas is used in application dependencies.
- Apply the upstream patch or a release containing commit 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd.
- If no packaged fix is available, check vendor guidance before carrying a local patch.
- Reduce untrusted access to URI validation paths where practical.
- Monitor affected services for abnormal validation latency or availability degradation.
Validation and detection
- Review package manifests and lockfiles for Prestaul skeemas.
- Confirm validators/base.js includes the referenced patch changes.
- Map application paths that validate user-supplied uri values.
- Verify dependency scanners recognize CVE-2018-25074 after remediation.
- Record that affected versions are unspecified in the public sources.
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-1333: 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 lookupCVE-2018-25074 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
- Low
- CVSS
- 3.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L2.11.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.5LowVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.218003CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.218003CVE reference · signature, permissions-required
- https://github.com/Prestaul/skeemas/commit/65e94eda62dc8dc148ab3e59aa2ccc086ac448fdCVE 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.
Inefficient Regular Expression Complexity
Inefficient Regular Expression Complexity represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.