A privilege escalation issue existed in FileMaker Server, potentially exposing sensitive…
Priority LOW 31CWE-250Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-250.
Summary
A privilege escalation issue existed in FileMaker Server, potentially exposing sensitive information to front-end websites when signed in to the Admin Console with an administrator role. This issue has been fixed in FileMaker Server 20.3.1 by reducing the information sent in requests.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00447 39th percentileScored 2026-11-07
Fix Fixed FileMaker Server (Claris): 20.3.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Claris | FileMaker Server | before 20.3.1 | 20.3.1 | Patch available | CNA |
- FileMaker Server VendorClaris Affected before 20.3.1 Fixed in 20.3.1 Patch available CNA
Remediation
- Fix · CNA FileMaker Server (Claris) Fixed in 20.3.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42954
- 2026-10-03 Alias added: GHSA-4qv4-vh73-q92w
References
More Claris Pro vulnerabilities
- TI-2023-22999 Uncontrolled search path in Claris FileMaker Pro CVSS 3.1HIGH 7.8
Sources
- CVE-2023-42954 · CVE Program
- CVE-2023-42954 · NVD
- FIRST EPSS
- GHSA-4qv4-vh73-q92w · GitHub Advisory Database · CC BY 4.0
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