The random number generator in the Crypto application before 2.0.2.2, and SSH before…
Priority MEDIUM 40CWE-310Published · 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
- Complete · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The random number generator in the Crypto application before 2.0.2.2, and SSH before 2.0.5, as used in the Erlang/OTP ssh library before R14B03, uses predictable seeds based on the current time, which makes it easier for remote attackers to guess DSA host and SSH session keys.
Why it matters now
EPSS 0.03072 87th 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 · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:erlang:crypto:*:*:*:*:*:*:*:* | up to 2.0.2.1 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r11b-5:*:*:*:*:*:*:* | r11b-5 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r12b-5:*:*:*:*:*:*:* | r12b-5 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r13b:*:*:*:*:*:*:* | r13b | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r13b02-1:*:*:*:*:*:*:* | r13b02-1 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r13b03:*:*:*:*:*:*:* | r13b03 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r13b04:*:*:*:*:*:*:* | r13b04 | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r14a:*:*:*:*:*:*:* | r14a | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r14b:*:*:*:*:*:*:* | r14b | Vulnerable | Erlang |
| cpe:2.3:a:erlang:erlang\/otp:r14b01:*:*:*:*:*:*:* | r14b01 | Vulnerable | Erlang |
- cpe:2.3:a:erlang:crypto:*:*:*:*:*:*:*:* Versions up to 2.0.2.1 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r11b-5:*:*:*:*:*:*:* Versions r11b-5 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r12b-5:*:*:*:*:*:*:* Versions r12b-5 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r13b:*:*:*:*:*:*:* Versions r13b Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r13b02-1:*:*:*:*:*:*:* Versions r13b02-1 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r13b03:*:*:*:*:*:*:* Versions r13b03 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r13b04:*:*:*:*:*:*:* Versions r13b04 Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r14a:*:*:*:*:*:*:* Versions r14a Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r14b:*:*:*:*:*:*:* Versions r14b Vulnerable ·Erlang
- cpe:2.3:a:erlang:erlang\/otp:r14b01:*:*:*:*:*:*:* Versions r14b01 Vulnerable ·Erlang
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0766
- 2026-10-03 Alias added: GHSA-q2pp-3636-pf45
References
Sources
- CVE-2011-0766 · CVE Program
- CVE-2011-0766 · NVD
- FIRST EPSS
- GHSA-q2pp-3636-pf45 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-0766 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences