← Back

Openssh

openssh

Vendor: Openbsd • 134 CVEs

CVEs (134)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Openbsd
1Openssh
Apr 16, 2026
Sep 27, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the...Show more
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.Show less
2Freebsd
Openbsd
2Freebsd
Openssh
Apr 16, 2026
Sep 20, 2001
N/A· v4
N/A· v3
2.1 LOW· v2
libutil in OpenSSH on FreeBSD 4.4 and earlier does not drop privileges before verifying the capabilities for reading the copyright and welcome files, which allows local users to bypass the capabilities checks and read ar...Show more
libutil in OpenSSH on FreeBSD 4.4 and earlier does not drop privileges before verifying the capabilities for reading the copyright and welcome files, which allows local users to bypass the capabilities checks and read arbitrary files by specifying alternate copyright or welcome files.Show less
2Openbsd
Ssh
2Openssh
Ssh
Apr 16, 2026
Aug 22, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or range...Show more
The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.Show less
1Openbsd
1Openssh
Apr 16, 2026
Aug 14, 2001
N/A· v4
N/A· v3
7.2 HIGH· v2
OpenSSH version 2.9 and earlier, with X forwarding enabled, allows a local attacker to delete any file named 'cookies' via a symlink attack.
2Openbsd
Ssh
2Openssh
Ssh
Apr 16, 2026
Jun 27, 2001
N/A· v4
N/A· v3
4.0 MEDIUM· v2
Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version 1.2.31, in certain configurations, allow a remote attacker to decrypt and/or alter traffic via a "Bl...Show more
Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version 1.2.31, in certain configurations, allow a remote attacker to decrypt and/or alter traffic via a "Bleichenbacher attack" on PKCS#1 version 1.5.Show less
1Openbsd
1Openssh
Apr 16, 2026
Jun 19, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
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.
2Openbsd
Ssh
2Openssh
Ssh
Apr 16, 2026
Mar 12, 2001
N/A· v4
N/A· v3
10.0 HIGH· v2
CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server or client via an integer overflow.
1Openbsd
1Openssh
Apr 16, 2026
Jan 9, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
OpenSSH SSH client before 2.3.0 does not properly disable X11 or agent forwarding, which could allow a malicious SSH server to gain access to the X11 display and sniff X11 events, or gain access to the ssh-agent.
2Openbsd
Ssh
2Openssh
Ssh
Apr 16, 2026
Dec 19, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Directory traversal vulnerability in scp in sshd 1.2.xx allows a remote malicious scp server to overwrite arbitrary files via a .. (dot dot) attack.
1Openbsd
1Openssh
Apr 16, 2026
Dec 11, 2000
N/A· v4
N/A· v3
10.0 HIGH· v2
Format string vulnerabilities in OpenBSD ssh program (and possibly other BSD-based operating systems) allow attackers to gain root privileges.
1Openbsd
1Openssh
Apr 16, 2026
Jun 8, 2000
N/A· v4
N/A· v3
10.0 HIGH· v2
OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute arbitrary commands by providing the command to the ssh daemon.
2Openbsd
Ssh
3Openssh
SshSsh2
Apr 16, 2026
Feb 24, 2000
N/A· v4
N/A· v3
5.1 MEDIUM· v2
The default configuration of SSH allows X forwarding, which could allow a remote attacker to control a client's X sessions via a malicious xauth program.
2Openbsd
Ssh
2Openssh
Ssh
Apr 16, 2026
Feb 11, 2000
N/A· v4
N/A· v3
4.6 MEDIUM· v2
The SSH protocol server sshd allows local users without shell access to redirect a TCP connection through a service that uses the standard system password database for authentication, such as POP or FTP.
1Openbsd
1Openssh
Apr 16, 2026
Dec 14, 1999
N/A· v4
N/A· v3
2.1 LOW· v2
An SSH 1.2.27 server allows a client to use the "none" cipher, even if it is not allowed by the server policy.