7.5

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.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 1

Timeline

  1. 08-01-2018
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 versions

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 score
3.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mono< 3.2.8+dfsg-10
Mono-project1 product
Ubuntu1 product
  • mono< 3.2.8+dfsg-4ubuntu1.1

3 vendors · 3 products

References

12 links
Show all 12 references