SSLv2-Only Open Ports

info Nessus Plugin ID 131127
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote service encrypts communications with an unsupported protocol.


This plugin detects if the remote host has any open ports which only support SSLv2. This protocol has been deprecated since 2011 because of security vulnerabilities and most major SSL libraries such as OpenSSL, NSS, Mbed TLS, and wolfSSL do not provide this functionality in their latest versions.

Nessus 8.9 and later no longer supports SSLv2.


Upgrade encryption protocol used for SSL/TLS traffic to SSLv3, TLS1.0, TLS1.1, TLS1.2, or TLS1.3

See Also

Plugin Details

Severity: Info

ID: 131127

File Name: ssl_v2_supported_only.nasl

Version: 1.2

Type: remote

Family: General

Published: 11/19/2019

Updated: 11/19/2019

Dependencies: ssl_supported_versions.nasl

Vulnerability Information

Excluded KB Items: global_settings/disable_test_ssl_based_services