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CVE-2022-1385

14
FAUCET Score

CVE-2022-1385 is a medium-severity vulnerability affecting Mattermost Server versions 6.4.x and earlier, where pending email invitations are not properly invalidated when managed via the system console. This flaw allows accidentally invited users to join the workspace and access public teams and channels. The vulnerability has a CVSS score of 4.6, indicating a low attack complexity and requiring user interaction, with potential for limited confidentiality and integrity impact. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 89th percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-fxwj-v664-wv5gmedium

Improper Control of a Resource Through its Lifetime in Mattermost

Apr 20, 2022

References

hackerone.com / reports/1486820
ExploitThird Party Advisory
mattermost.com / security-updates
Vendor Advisory