Interpretation conflict in WinSCP before 4.0.4 allows remote attackers to perform…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
Interpretation conflict in WinSCP before 4.0.4 allows remote attackers to perform arbitrary file transfers with a remote server via file-transfer commands in the final portion of a (1) scp, and possibly a (2) sftp or (3) ftp, URL, as demonstrated by a URL specifying login to the remote server with a username of scp, which is interpreted as an HTTP scheme name by the protocol handler in a web browser, but is interpreted as a username by WinSCP. NOTE: this is related to an incomplete fix for CVE-2006-3015.
Why it matters now
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
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:winscp:winscp:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.5.5_beta:*:*:*:*:*:*:* | 3.5.5_beta | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.5.6:*:*:*:*:*:*:* | 3.5.6 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.6:*:*:*:*:*:*:* | 3.6 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.6.1:*:*:*:*:*:*:* | 3.6.1 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.6.5_beta:*:*:*:*:*:*:* | 3.6.5_beta | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.6.6:*:*:*:*:*:*:* | 3.6.6 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.6.7:*:*:*:*:*:*:* | 3.6.7 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.8.1:*:*:*:*:*:*:* | 3.8.1 | Vulnerable | Winscp |
| cpe:2.3:a:winscp:winscp:3.8.2:*:*:*:*:*:*:* | 3.8.2 | Vulnerable | Winscp |
- cpe:2.3:a:winscp:winscp:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.5.5_beta:*:*:*:*:*:*:* Versions 3.5.5_beta Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.5.6:*:*:*:*:*:*:* Versions 3.5.6 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.6:*:*:*:*:*:*:* Versions 3.6 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.6.1:*:*:*:*:*:*:* Versions 3.6.1 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.6.5_beta:*:*:*:*:*:*:* Versions 3.6.5_beta Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.6.6:*:*:*:*:*:*:* Versions 3.6.6 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.6.7:*:*:*:*:*:*:* Versions 3.6.7 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.8.1:*:*:*:*:*:*:* Versions 3.8.1 Vulnerable ·Winscp
- cpe:2.3:a:winscp:winscp:3.8.2:*:*:*:*:*:*:* Versions 3.8.2 Vulnerable ·Winscp
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4909
- 2026-10-03 Alias added: GHSA-f8q3-mjhv-rr2f
References
More Winscp vulnerabilities
- TI-2002-01283 Multiple SSH2 servers and clients do not properly handle large packets or large fields… CVSS 2.0HIGH 10.0
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2019-04326 In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server… CVSS 3.1MEDIUM 6.8
- TI-2019-04327 An issue was discovered in OpenSSH 7.9. CVSS 3.1MEDIUM 5.9
- TI-2021-02333 WinSCP before 5.17.10 allows remote attackers to execute arbitrary programs when the URL… CVSS 3.1CRITICAL 9.8
- TI-2002-01281 Multiple SSH2 servers and clients do not properly handle packets or data elements with… CVSS 2.0HIGH 10.0
Sources
- CVE-2007-4909 · CVE Program
- CVE-2007-4909 · NVD
- FIRST EPSS
- GHSA-f8q3-mjhv-rr2f · GitHub Advisory Database · CC BY 4.0
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