Unrestricted File Upload in Bookreen
Priority LOW 36CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Unisign Bookreen allows OS Command Injection. This issue affects Bookreen: before 3.0.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0138 72nd percentileScored 2026-11-07
Fix Fixed Bookreen (Unisign): 3.0.0
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 |
|---|---|---|---|---|---|
| Unisign | Bookreen | before 3.0.0 | 3.0.0 | Patch available | CNA |
- Bookreen VendorUnisign Affected before 3.0.0 Fixed in 3.0.0 Patch available CNA
Remediation
- Fix · CNA Bookreen (Unisign) Fixed in 3.0.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Unisign Bookreen 3.0.0
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-03155 Privilege Escalation in BookreenPriority MEDIUM 50
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3375
- 2026-10-03 Alias added: GHSA-4w9x-x528-24m9
References
More Bookreen vulnerabilities
- TI-2023-03155 Privilege Escalation in Bookreen CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-3375 · CVE Program
- CVE-2023-3375 · NVD
- FIRST EPSS
- GHSA-4w9x-x528-24m9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences