CVE-2015-2319: mono-project mono Improper Certificate Validation
CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2015-2319DEBIAN-CVE-2015-2319
Published 08-01-2018Last modified 06-08-2024
Vulnerability summary
CVE-2015-2319 is a high (CVSS 7.5) Improper Certificate Validation vulnerability in mono-project mono. EPSS estimates a 3.15% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 08-01-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
3.15%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.15% on 20-09-2026
20-09-202620-10-2026
EPSS score3.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mono< 3.2.8+dfsg-10
Mono-project1 product
- mono< 3.12.1
Ubuntu1 product
- mono< 3.2.8+dfsg-4ubuntu1.1
3 vendors · 3 products
References
12 links- github.com/mono/mono/commit/9c38772f094168d8bfd5bc73bf8925cd04faad10X Refsource CONFIRMThird Party Advisory