sshd in OpenSSH before 4.2, when GSSAPIDelegateCredentials is enabled, allows GSSAPI…
Priority LOW 27Published · 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 · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
sshd in OpenSSH before 4.2, when GSSAPIDelegateCredentials is enabled, allows GSSAPI credentials to be delegated to clients who log in using non-GSSAPI methods, which could cause those credentials to be exposed to untrusted users or hosts.
Why it matters now
EPSS 0.02299 83rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:* | 3.0.1p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:* | 3.0.2p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:* | 3.0p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:* | 3.1p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:* | 3.2.2p1 | Vulnerable | OpenBSD |
- cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:* Versions 3.0.1p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:* Versions 3.0.2p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:* Versions 3.0p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:* Versions 3.1p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:* Versions 3.2.2p1 Vulnerable ·OpenBSD
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:* | 3.2.3p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:* | 3.3p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:* | 3.4p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:* | 3.5p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:* | 3.6 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:* | 3.6.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:* | 3.6.1p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:* | 3.6.1p2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:* | 3.7 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:* | 3.7.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:* | 3.7.1p2 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:* | 3.8 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:* | 3.8.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:* | 3.8.1p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:* | 3.9 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:* | 3.9.1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:* | 3.9.1p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:* | 4.0p1 | Vulnerable | OpenBSD |
| cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:* | 4.1p1 | Vulnerable | OpenBSD |
- cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:* Versions 3.2.3p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:* Versions 3.3p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:* Versions 3.4p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:* Versions 3.5p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:* Versions 3.6 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:* Versions 3.6.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:* Versions 3.6.1p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:* Versions 3.6.1p2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:* Versions 3.7 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:* Versions 3.7.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:* Versions 3.7.1p2 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:* Versions 3.8 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:* Versions 3.8.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:* Versions 3.8.1p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:* Versions 3.9 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:* Versions 3.9.1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:* Versions 3.9.1p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:* Versions 4.0p1 Vulnerable ·OpenBSD
- cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:* Versions 4.1p1 Vulnerable ·OpenBSD
Remediation
Red Hat 1 advisory
- RHSA-2005:527 Released 2005-10-05 · Red Hat rating Moderateopenssh security update
- Red Hat Enterprise Linux AS version 4 openssh-3.9p1-8.RHEL4.9, openssh-3.9p1-8.RHEL4.9.i386, openssh-3.9p1-8.RHEL4.9.ia64 +17
- Red Hat Enterprise Linux Desktop version 4 openssh-3.9p1-8.RHEL4.9, openssh-3.9p1-8.RHEL4.9.i386, openssh-askpass-3.9p1-8.RHEL4.9 +7
- Red Hat Enterprise Linux ES version 4 openssh-3.9p1-8.RHEL4.9, openssh-3.9p1-8.RHEL4.9.i386, openssh-3.9p1-8.RHEL4.9.ia64 +12
- Red Hat Enterprise Linux WS version 4 openssh-3.9p1-8.RHEL4.9, openssh-3.9p1-8.RHEL4.9.i386, openssh-3.9p1-8.RHEL4.9.ia64 +12
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:527 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:527 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:527 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:527 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-2798
- 2026-10-03 Alias added: GHSA-qm2w-x4c4-rq55
References
More OpenBSD Openssh vulnerabilities
- TI-2023-19792 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently… CVSS 3.1CRITICAL 9.8
- 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-2005-2798 · CVE Program
- CVE-2005-2798 · NVD
- FIRST EPSS
- GHSA-qm2w-x4c4-rq55 · GitHub Advisory Database · CC BY 4.0
- CVE-2005-2798 · 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