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CVE-2022-4045

17
FAUCET Score

CVE-2022-4045 is a denial-of-service vulnerability affecting Mattermost servers, allowing an authenticated user to crash the server by repeatedly requesting large data sets from specific API endpoints. With a CVSS score of 6.5 (Medium), it requires authentication but has low attack complexity, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 55th percentile among its peer group of 21,974 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, 0.1 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 (3)

gopatch availablevia ghsa
Product: github.com/mattermost/mattermost-serverFixed in: 7.1.4
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost-serverFixed in: 7.2.1
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost-serverFixed in: 7.3.1

Vendor Advisories (1)

goGHSA-v42f-hq78-8c5mmedium

Denial of service in Mattermost

Nov 23, 2022

References

mattermost.com / security-updates
Vendor Advisory