Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-1384

23
FAUCET Score

CVE-2022-1384 affects Mattermost server versions 6.4.x and earlier, allowing an authenticated and authorized user to install outdated, vulnerable plugins from the Marketplace due to insufficient version checks. This vulnerability carries a high CVSS score of 8.8, indicating a high impact on confidentiality, integrity, and availability, with low attack complexity and no user interaction required. While the EPSS score is low, suggesting a low probability of exploitation, there is currently no public exploit code available, and it is not listed on CISA's KEV catalog, nor has it garnered significant community or media attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.5.0CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
<= 6.4CPE match
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 39th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/mattermost/mattermost-server/v6Fixed in: 6.5.0

Vendor Advisories (1)

goGHSA-32rp-q37p-jg6whigh

Insecure plugin handling in Mattermost

Apr 20, 2022

References

mattermost.com / security-updates
Vendor Advisory