CVE-2015-3197

5.9 MEDIUM
Published: February 15, 2016 Modified: May 06, 2026
View on NVD

Description

ssl/s2_srvr.c in OpenSSL 1.0.1 before 1.0.1r and 1.0.2 before 1.0.2f does not prevent use of disabled ciphers, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by performing computations on SSLv2 traffic, related to the get_client_master_key and get_client_hello functions.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openssl.org/news/secadv/20160128.txt
Source: secalert@redhat.com
Vendor Advisory
http://www.securityfocus.com/bid/82237
Source: secalert@redhat.com
http://www.securityfocus.com/bid/91787
Source: secalert@redhat.com
https://www.kb.cert.org/vuls/id/257823
Source: secalert@redhat.com
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openssl.org/news/secadv/20160128.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/82237
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/91787
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1034849
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201601-05
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kb.cert.org/vuls/id/257823
Source: af854a3a-2127-422b-91ae-364da2661108

72 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.9 / 10.0
EPSS (Exploit Probability)
14.2%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

oracle openssl