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CVE-2024-8071

21
FAUCET Score

CVE-2024-8071 is a privilege escalation vulnerability in Mattermost versions 9.9.1 and earlier, 9.5.7 and earlier, 9.10.0 and earlier, and 9.8.2 and earlier. It allows a System Role with edit access to the permissions section of the system console to grant themselves System Admin privileges. This high-severity vulnerability (CVSS 7.2) has a network attack vector and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.5.0, < 9.5.8CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
>= 9.8.0, < 9.8.3CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
>= 9.9.0, < 9.9.2CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
>= 9.10.0, < 9.10.1CPE matchmatch criteria
cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
>= 9.5.0, <= 9.5.7CPE 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
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
27.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 6th percentile among its peer group of 5,537 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 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 (4)

gopatch availablevia ghsa
Product: github.com/mattermost/mattermost/server/v8Fixed in: 9.9.2
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost/server/v8Fixed in: 9.5.8
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost/server/v8Fixed in: 9.10.1
gopatch availablevia ghsa
Product: github.com/mattermost/mattermost/server/v8Fixed in: 9.8.3

Vendor Advisories (1)

goGHSA-5263-pm2h-m7hwmedium

Mattermost doesn't restrict which roles can promote a user as system admin

Aug 22, 2024

References

mattermost.com / security-updates
Vendor Advisory