Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-n66q-jx87-17hk
Vulnerability ID VCID-n66q-jx87-17hk
Aliases CVE-2022-4045
GHSA-v42f-hq78-8c5m
Summary A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-770 Allocation of Resources Without Limits or Throttling
System Score Found at
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2022-4045
epss 0.00451 https://api.first.org/data/v1/epss?cve=CVE-2022-4045
cvssv3.1 6.5 https://mattermost.com/security-updates
generic_textual MODERATE https://mattermost.com/security-updates
cvssv3.1 3.1 https://mattermost.com/security-updates/
ssvc Track https://mattermost.com/security-updates/
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2022-4045
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2022-4045
cvssv3.1 6.5 https://pkg.go.dev/github.com/mattermost/mattermost-server
generic_textual MODERATE https://pkg.go.dev/github.com/mattermost/mattermost-server
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-4045
https://nvd.nist.gov/vuln/detail/CVE-2022-4045
https://pkg.go.dev/github.com/mattermost/mattermost-server
security-updates https://mattermost.com/security-updates/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://mattermost.com/security-updates
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://mattermost.com/security-updates/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-12-06T22:52:28Z/ Found at https://mattermost.com/security-updates/
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-4045
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://pkg.go.dev/github.com/mattermost/mattermost-server
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.64123
EPSS Score 0.00451
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:39:06.278244+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2022/4xxx/CVE-2022-4045.json 38.6.0