OpenSSH < 4.2 Multiple Vulnerabilities

medium Nessus Network Monitor Plugin ID 701166


The remote SSH server is affected by multiple vulnerabilities.


The installed version of OpenSSH is prior to 4.2 and is affected by the following vulnerabilities:

- X11 forwarding may be enabled unintentionally when multiple forwarding requests are made on the same session, or when an X11 listener is orphaned after a session goes away. (CVE-2005-2797)
- GSSAPI credentials may be delegated to users who log in using something other than GSSAPI authentication if 'GSSAPIDelegateCredentials' is enabled. (CVE-2005-2798)


Upgrade to OpenSSH version 4.2 or later.

See Also

Plugin Details

Severity: Medium

ID: 701166

Family: SSH

Published: 8/21/2019

Updated: 8/21/2019

Nessus ID: 19592

Risk Information


Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

Vector: AV:N/AC:M/Au:S/C:P/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:openbsd:openssh

Patch Publication Date: 9/1/2005

Vulnerability Publication Date: 9/1/2005

Reference Information

CVE: CVE-2005-2797, CVE-2005-2798

BID: 14727, 14729