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CVE-2015-2319

23
FAUCET Score

CVE-2015-2319 describes a cipher-downgrade vulnerability in the TLS stack of Mono versions prior to 3.12.1, allowing remote attackers to force connections to weaker EXPORT_RSA ciphers, similar to the "FREAK" issue. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity that could lead to high confidentiality impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.12.1CPE matchmatch criteria
cpe:2.3:a:mono-project:mono:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.15%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0315 is in the 76th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / mono/mono/commit/9c38772f094168d8bfd5bc73bf8925cd04faad10
Third Party Advisory
mitls.org / pages/attacks/SMACK
Third Party Advisory
debian.org / security/2015/dsa-3202
Third Party Advisory
mono-project.com / news/2015/03/07/mono-tls-vulnerability
Vendor Advisory
openwall.com / lists/oss-security/2015/03/17/9
Mailing ListThird Party Advisory
securityfocus.com / bid/73250
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2547-1
Third Party Advisory