An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in…
Priority MEDIUM 48CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.
Why it matters now
EPSS 0.03432 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-20276
- 2026-10-03 Alias added: GHSA-w7fv-r9rg-26jv
References
More troglobit Uftpd vulnerabilities
- TI-2020-13817 There are multiple unauthenticated directory traversal vulnerabilities in different FTP… CVSS 3.1CRITICAL 9.8
- TI-2020-04260 Buffer overflow vulnerability in uftpd CVSS 3.1HIGH 8.8
- TI-2020-11077 In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user… CVSS 3.1HIGH 7.5
- TI-2020-04277 Directory Traversal (Chroot Escape) vulnerability in uftpd CVSS 3.1HIGH 7.2
Sources
- CVE-2020-20276 · CVE Program
- CVE-2020-20276 · NVD
- FIRST EPSS
- GHSA-w7fv-r9rg-26jv · 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