OpenSSL < 0.9.8 Weak Default Configuration

medium Nessus Plugin ID 17759


The default configuration of OpenSSL on the remote server uses a weak hash algorithm.


According to its banner, the remote server is running a version of OpenSSL that is earlier than 0.9.8.

The default configuration uses MD5 instead of a stronger hash algorithm. An attacker could forge certificates.

If you never generate certificates on this machine, you may ignore this warning.


Upgrade to OpenSSL 0.9.8 or later.

See Also

Plugin Details

Severity: Medium

ID: 17759

File Name: openssl_0_9_8.nasl

Version: 1.9

Type: combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 1/4/2012

Updated: 8/22/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2005-2946

Vulnerability Information

CPE: cpe:/a:openssl:openssl

Required KB Items: installed_sw/OpenSSL

Exploit Ease: No exploit is required

Patch Publication Date: 7/5/2005

Vulnerability Publication Date: 9/16/2005

Reference Information

CVE: CVE-2005-2946

CWE: 310