OpenSSH 2.9 and earlier does not initiate a Pluggable Authentication Module (PAM) session…
Priority LOW 37Published · 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
OpenSSH 2.9 and earlier does not initiate a Pluggable Authentication Module (PAM) session if commands are executed with no pty, which allows local users to bypass resource limits (rlimits) set in pam.d.
Why it matters now
EPSS 0.02158 82nd 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:openbsd:openssh:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:* | 2.9 | Vulnerable | OpenBSD |
- cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·OpenBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1459
- 2026-10-03 Alias added: GHSA-m88g-p7vr-7qr7
References
Advisory 1
Other 1
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- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2023-10601 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during… CVSS 3.1MEDIUM 6.5
- TI-2018-11033 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying… CVSS 3.1MEDIUM 5.9
- TI-2016-08105 Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4… CVSS 3.1HIGH 7.3
- TI-2023-28040 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2001-1459 · CVE Program
- CVE-2001-1459 · NVD
- FIRST EPSS
- GHSA-m88g-p7vr-7qr7 · 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