SSH before 2.0, when using RC4 and password authentication, allows remote attackers to…
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
SSH before 2.0, when using RC4 and password authentication, allows remote attackers to replay messages until a new server key (VK) is generated.
Why it matters now
EPSS 0.01538 75th 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
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:* | 1.2.24 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:* | 1.2.25 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:* | 1.2.26 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:* | 1.2.27 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:* | 1.2.28 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:* | 1.2.29 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:* | 1.2.30 | Vulnerable | SSH |
| cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:* | 1.2.31 | Vulnerable | SSH |
- cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:* Versions 1.2.24 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:* Versions 1.2.25 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:* Versions 1.2.26 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:* Versions 1.2.27 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:* Versions 1.2.28 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:* Versions 1.2.29 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:* Versions 1.2.30 Vulnerable ·SSH
- cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:* Versions 1.2.31 Vulnerable ·SSH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1475
- 2026-10-03 Alias added: GHSA-ffjc-5qhw-2mxv
References
Patch 1
More Ssh vulnerabilities
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2001-00144 CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-1999-00245 A race condition in the authentication agent mechanism of sshd 1.2.17 allows an attacker… CVSS 2.0HIGH 10.0
- TI-1999-00013 Stolen credentials from SSH clients via ssh-agent program, allowing other local users to… CVSS 3.1HIGH 8.4
- TI-2001-00557 The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have… CVSS 2.0HIGH 7.5
- TI-2001-01425 The SSH-1 protocol allows remote servers to conduct man-in-the-middle attacks and replay… CVSS 2.0HIGH 7.5
Sources
- CVE-2001-1475 · CVE Program
- CVE-2001-1475 · NVD
- FIRST EPSS
- GHSA-ffjc-5qhw-2mxv · GitHub Advisory Database · CC BY 4.0
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