Critical severity · published Jan 8, 2018
CVE-2015-2320
The TLS stack in Mono before 3.12.1 allows remote attackers to have unspecified impact via vectors related to client-side SSLv2 fallback
9.8
CVSS
3.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0 · source: NVD
MO
Mono · Mono-project
before 3.12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-2320
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-2320
Vendor Advisory
http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
Mailing List
http://www.openwall.com/lists/oss-security/2015/03/17/9
Third Party Advisory
http://www.securityfocus.com/bid/73256
Third Party Advisory
http://www.ubuntu.com/usn/USN-2547-1
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1202869
Third Party Advisory
https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b
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