The remote host is affected by the vulnerability described in GLSA-202212-06 (OpenSSH: Multiple Vulnerabilities)

  - ** DISPUTED ** 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 chance of breaking existing workflows. (CVE-2020-15778)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the version of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - scp in OpenSSH through 8.3p1 allows command injection     in scp.c remote 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 chance of breaking     existing workflows.'(CVE-2020-15778)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the openssh packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - ** DISPUTED ** 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     chance of breaking existing workflows.'(CVE-2020-15778)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Debian Linux - openssh - 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 chance of breaking existing workflows.  Red Hat Enterprise Linux - openssh: scp allows     command injection when using backtick characters in the destination argument  Ubuntu Linux - 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 chance of breaking     existing workflows. (CVE-2020-15778)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2024:0199 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    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 chance     of breaking existing workflows.

    CVE-2023-48795:
    The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other     products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the     extension negotiation message), and a client and server may consequently end up with a connection for     which some security features have been downgraded or disabled, aka a Terrapin attack. This occurs because     the SSH Binary Packet Protocol (BPP), implemented by these extensions, mishandles the handshake phase and     mishandles use of sequence numbers. For example, there is an effective attack against SSH's use of     ChaCha20-Poly1305 (and CBC with Encrypt-then-MAC). The bypass occurs in chacha20-poly1305@openssh.com and     (if CBC is used) the -etm@openssh.com MAC algorithms. This also affects Maverick Synergy Java SSH API     before 3.1.0-SNAPSHOT, Dropbear through 2022.83, Ssh before 5.1.1 in Erlang/OTP, PuTTY before 0.80,     AsyncSSH before 2.14.2, golang.org/x/crypto before 0.17.0, libssh before 0.10.6, libssh2 through 1.11.0,     Thorn Tech SFTP Gateway before 3.4.6, Tera Term before 5.1, Paramiko before 3.4.0, jsch before 0.2.15,     SFTPGo before 2.5.6, Netgate pfSense Plus through 23.09.1, Netgate pfSense CE through 2.7.2, HPN-SSH     through 18.2.0, ProFTPD before 1.3.8b (and before 1.3.9rc2), ORYX CycloneSSH before 2.3.4, NetSarang     XShell 7 before Build 0144, CrushFTP before 10.6.0, ConnectBot SSH library before 2.2.22, Apache MINA sshd     through 2.11.0, sshj through 0.37.0, TinySSH through 20230101, trilead-ssh2 6401, LANCOM LCOS and     LANconfig, FileZilla before 3.66.4, Nova before 11.8, PKIX-SSH before 14.4, SecureCRT before 9.4.3,     Transmit5 before 5.10.4, Win32-OpenSSH before 9.5.0.0p1-Beta, WinSCP before 6.2.2, Bitvise SSH Server     before 9.32, Bitvise SSH Client before 9.33, KiTTY through 0.76.1.13, the net-ssh gem 7.2.0 for Ruby, the     mscdex ssh2 module before 1.15.0 for Node.js, the thrussh library before 0.35.1 for Rust, and the Russh     crate before 0.40.2 for Rust.

    CVE-2023-51385:
    In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell     metacharacters, and this name is referenced by an expansion token in certain situations. For example, an     untrusted Git repository can have a submodule with shell metacharacters in a user name or host name.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2024:3166 advisory.

  - 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 chance     of breaking existing workflows. (CVE-2020-15778)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2024:3166 advisory.

    * openssh: scp allows command injection when using backtick characters in the destination argument     (CVE-2020-15778)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the version of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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 chance of     breaking existing workflows.'(CVE-2020-15778)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
169409	GLSA-202212-06 : OpenSSH: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	2022/12/28	2025/7/29	high
151235	EulerOS Virtualization 3.0.6.6 : openssh (EulerOS-SA-2021-2039)	Nessus	Huawei Local Security Checks	2021/7/1	2025/7/29	high
151319	EulerOS Virtualization for ARM 64 3.0.2.0 : openssh (EulerOS-SA-2021-2097)	Nessus	Huawei Local Security Checks	2021/7/2	2025/7/29	high
223430	Linux Distros Unpatched Vulnerability : CVE-2020-15778	Nessus	Misc.	2025/3/4	2026/9/23	high
236379	Alibaba Cloud Linux 3 : 0199: openssh bug fix update (Moderate) (ALINUX3-SA-2024:0199)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	critical
197680	CentOS 8 : openssh (CESA-2024:3166)	Nessus	CentOS Local Security Checks	2024/5/22	2025/7/29	high
235514	RockyLinux 8 : openssh (RLSA-2024:3166)	Nessus	Rocky Linux Local Security Checks	2025/5/7	2025/5/7	high
151035	EulerOS 2.0 SP8 : openssh (EulerOS-SA-2021-1993)	Nessus	Huawei Local Security Checks	2021/6/28	2025/7/29	high

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