Home/CVE/Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to
CVE

CVE-2023-45847

Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to

Mattermost fails to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin.

MEDIUM · CVSS 4.3 EPSS 0.00129
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

5
mattermost server<= 7.8.14
mattermost server>= 8.0.0 and <= 8.1.5
mattermost server>= 9.0.0 and <= 9.0.3
mattermost server>= 9.1.1 and <= 9.1.2
mattermost server>= 9.2.0 and <= 9.2.1
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · responsibledisclosure@mattermost.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2023 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://mattermost.com/security-updatesIssue TrackingVendor Advisory
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