9.8

CVE-2015-2320: debian debian_linux Improper Certificate Validation

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2015-2320DEBIAN-CVE-2015-2320
Published 08-01-2018Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-2320 is a critical (CVSS 9.8) Improper Certificate Validation vulnerability in debian debian_linux. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
3.54%
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
DLA-176-1DSA-3202-1MGASA-2015-0156USN-2547-1

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 allows remote attackers to have unspecified impact via vectors related to client-side SSLv2 fallback.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.54% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.54%

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

Debian2 products
Mono-project1 product
Ubuntu1 product
  • mono< 3.2.8+dfsg-4ubuntu1.1

3 vendors · 4 products

References

11 links
Show all 11 references