9.8
CRITICAL
CVE-2015-2320
Mono TLS SSLSV2 Fallback Remote Vulnerability
Description

The TLS stack in Mono before 3.12.1 allows remote attackers to have unspecified impact via vectors related to client-side SSLv2 fallback.

INFO

Published Date :

Jan. 8, 2018, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 2:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2015-2320 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Mono-project mono
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-2320.

URL Resource
http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/ Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/03/17/9 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/73256 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2547-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1202869 Issue Tracking Third Party Advisory
https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b Third Party Advisory
https://www.debian.org/security/2015/dsa-3202 Third Party Advisory
http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/ Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/03/17/9 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/73256 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2547-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1202869 Issue Tracking Third Party Advisory
https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b Third Party Advisory
https://www.debian.org/security/2015/dsa-3202 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-2320 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-2320 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
    Added Reference http://www.openwall.com/lists/oss-security/2015/03/17/9
    Added Reference http://www.securityfocus.com/bid/73256
    Added Reference http://www.ubuntu.com/usn/USN-2547-1
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1202869
    Added Reference https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b
    Added Reference https://www.debian.org/security/2015/dsa-3202
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 30, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.ubuntu.com/usn/USN-2547-1 No Types Assigned http://www.ubuntu.com/usn/USN-2547-1 Third Party Advisory
    Changed Reference Type https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b No Types Assigned https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/73256 No Types Assigned http://www.securityfocus.com/bid/73256 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/ No Types Assigned http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/ Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2015/dsa-3202 No Types Assigned https://www.debian.org/security/2015/dsa-3202 Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/03/17/9 No Types Assigned http://www.openwall.com/lists/oss-security/2015/03/17/9 Mailing List, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1202869 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1202869 Issue Tracking, Third Party Advisory
    Added CWE CWE-295
    Added CPE Configuration OR *cpe:2.3:a:mono-project:mono:*:*:*:*:*:*:*:* versions up to (excluding) 3.12.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-2320 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-2320 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.01 }} -0.52%

score

0.83549

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability