9.8

CVE-2019-20853: mattermost mattermost_packages Exposure of Resource to Wrong Sphere

CVSS: 9.8v3.1CriticalModified
Published 19-06-2020Last modified 05-08-2024

Vulnerability summary

CVE-2019-20853 is a critical (CVSS 9.8) Exposure of Resource to Wrong Sphere vulnerability in mattermost mattermost_packages. EPSS estimates a 2.23% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-06-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Mattermost Packages before 5.16.3. A Droplet could allow Internet access to a service that has a remote code execution problem.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.23%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.23% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.23%

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

Mattermost1 product

1 vendor · 1 product

References

1 links