PT-2025-46913

Name of the Vulnerable Software and Affected Versions SSH clients affected versions not specified Description SSH clients may experience a panic and premature termination of the client process when receiving an SSH AGENT SUCCESS response while expecting a typed response. This can lead to...

Siemens SIMATIC S7-1500 Improper Authentication (CVE-2022-28321)

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pamaccess.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a...

Siemens SIMATIC S7-1500 Observable Discrepancy (CVE-2020-14145)

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts where no host key for the server has been cached by the client. NOTE: some reports...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2019-3856)

An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server. This...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2021-41617)

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2019-3855)

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server. This plugin...

Siemens SIMATIC S7-1500 Expected Behavior Violation (CVE-2025-32728)

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2025-26466)

A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to ...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2019-3857)

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSHMSGCHANNELREQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects t...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements used in an OS Command (CVE-2020-15778)

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of anomalous argument transfers because that could stand a great...

RLSA-2025:20943 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: out-of-bounds read in sftphandle CVE-2025-5318 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other...

Security update for openssh

This update for openssh fixes the following issues: CVE-2025-61984: Fixed code execution via control characters in usernames when a ProxyCommand is used bsc1251198 CVE-2025-61985: Fixed code execution via '\0' character in ssh:// URI when a ProxyCommand is used bsc1251199 Patch Instructions: To...

SUSE-SU-2025:4067-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-61984: Fixed code execution via control characters in usernames when a ProxyCommand is used bsc1251198 - CVE-2025-61985: Fixed code execution via '\0' character in ssh:// URI when a ProxyCommand is used bsc1251199...

CVE-2025-11578

A privilege escalation vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Enterprise admin to gain root SSH access to the appliance by exploiting a symlink escape in pre-receive hook environments. By crafting a malicious repository and environment, an attacker...

openssh: OpenSSH SSHD Agent Forwarding and X11 Forwarding

A flaw was found in OpenSSH. In affected versions of sshd, the DisableForwarding directive does not fully adhere to the intended functionality as documented. Specifically, it fails to disable X11 and agent forwarding, which may allow unintended access under certain configurations...

SUSE SLES15: erlang26 / erlang26-debugger / erlang26-debugger-src / etc (SUSE-SU-2025:4035-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:4035-1 advisory. - CVE-2025-48041: Fixed exhaustion of file handles in ssh bsc1249473 Tenable has extracted the preceding description block...

Fedora: Security Advisory (FEDORA-2025-312ac3e645)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

OpenSMTPD Detection Consolidation

Consolidation of OpenSMTPD detections. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only if description scriptoid"1.3.6.1.4.1.25623.1.0.155745";...

CVE-2025-11578

A privilege escalation vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Enterprise admin to gain root SSH access to the appliance by exploiting a symlink escape in pre-receive hook environments. By crafting a malicious repository and environment, an attacker...

CVE-2025-11578 Pre-Receive Hook Path Collision Vulnerability in GitHub Enterprise Server Allowing Privilege Escalation

A privilege escalation vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Enterprise admin to gain root SSH access to the appliance by exploiting a symlink escape in pre-receive hook environments. By crafting a malicious repository and environment, an attacker...