CVE-2025-20160: Improper Authentication

A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to view sensitive data or bypass authentication. This vulnerability exists because the system does not properly check whether the required...

Fedora: Security Advisory for tacacs (FEDORA-2023-96c21ed09c)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

[SECURITY] Fedora 39 Update: tacacs-F4.0.4.28.7fb~20231005g4fdf178-1.fc39

Tacacs+ tacplus is a C daemon that authenticates requests via the Tacacs+ Protocol and logs accounting information. This is a fork of Cisco + Shruberry's Tacacs+ daemons http://www.shrubbery.net/tacplus/...

Fedora: Security Advisory for tacacs (FEDORA-2023-6f9e904861)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

[SECURITY] Fedora 37 Update: tacacs-F4.0.4.28.7fb~20231005g4fdf178-1.fc37

Tacacs+ tacplus is a C daemon that authenticates requests via the Tacacs+ Protocol and logs accounting information. This is a fork of Cisco + Shruberry's Tacacs+ daemons http://www.shrubbery.net/tacplus/...

Fedora: Security Advisory for tacacs (FEDORA-2023-ef2653f707)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

Re: An Analysis of the TACACS+ Protocol and its Implementations

-----BEGIN PGP SIGNED MESSAGE----- Hello, We acknowledge that a buffer overflow mentioned in the analysis by Solar Designer is indeed present in an unsupported free version of TACACS+ server officially it is a "developer's kit" and can be found at...