Detections
Analytics
TencentOS Server 2: openssh (TSSA-2023:0328)
medium Nessus Plugin ID 238565
Synopsis
The remote TencentOS Server 2 host is missing one or more security updates.Description
The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2023:0328 advisory.Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:
CVE-2018-15473:
OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 238565
File Name: tencentos_TSSA_2023_0328.nasl
Version: 1.2
Type: local
Family: Tencent Local Security Checks
Published: 6/16/2025
Updated: 11/20/2025
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 4.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2018-15473
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 5.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:tencent:tencentos_server:2, p-cpe:/a:tencent:tencentos_server:openssh
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/etc/os-release, Host/TencentOS/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/16/2023
Vulnerability Publication Date: 8/16/2023
Reference Information
CVE: CVE-2018-15473