HIGH
CVE-2015-2319
CWE-295Published: January 8, 2018· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
The TLS stack in Mono before 3.12.1 makes it easier for remote attackers to conduct cipher-downgrade attacks to EXPORT_RSA ciphers via crafted TLS traffic, related to the "FREAK" issue, a different vulnerability than CVE-2015-0204.
Technical Analysis
CVE-2015-2319 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
mono-project1 product(s)
mono
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://www.openwall.com/lists/oss-security/2015/03/17/9Mailing List · Third Party Advisory
→
http://www.securityfocus.com/bid/73250Third Party Advisory · VDB Entry
→
http://www.ubuntu.com/usn/USN-2547-1Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1202869Issue Tracking · Third Party Advisory
→
https://github.com/mono/mono/commit/9c38772f094168d8bfd5bc73bf8925cd04faad10Third Party Advisory
→
https://mitls.org/pages/attacks/SMACK#freakThird Party Advisory
→
https://www.debian.org/security/2015/dsa-3202Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2015/03/17/9Mailing List · Third Party Advisory
→
http://www.securityfocus.com/bid/73250Third Party Advisory · VDB Entry
→
http://www.ubuntu.com/usn/USN-2547-1Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1202869Issue Tracking · Third Party Advisory
→
https://github.com/mono/mono/commit/9c38772f094168d8bfd5bc73bf8925cd04faad10Third Party Advisory
→
https://mitls.org/pages/attacks/SMACK#freakThird Party Advisory
Quick Facts
CVE IDCVE-2015-2319
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-295
CISA KEVNo
Affected1 vendor(s)
PublishedJan 8, 2018
Related CVEs (CWE-295)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-2319 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.