6.5

CVE-2024-47003: DoS via non-string message using permalink embed

Analyzed
AliasesGHSA-59hf-mpf8-pqjhBIT-mattermost-2024-47003GO-2024-3164
Published 26-09-2024Last modified 26-09-2024

Vulnerability summary

CVE-2024-47003 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in mattermost. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 47.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 6

Timeline

  1. 26-09-2024
    PublishedVulnerability first disclosed.
  2. 26-09-2024
    Last modifiedVulnerability information updated.

Description

Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.58% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • mattermost-fips-10.5All versions (No fix recorded)
  • mattermost-fips-10.5-compatAll versions (No fix recorded)
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
Github.com/mattermost1 product
  • mattermost-serverAll versions (No fix recorded)
Github.com/mattermost/mattermost/server1 product
  • v8< 8.0.0-20240806094731-69a8b3df0f9f

5 vendors · 8 products

References

8 links