6.5

CVE-2024-54682: Zipbomb DoS via Missing Slack Import Validation

Analyzed
AliasesGHSA-v647-h8jj-fw5rGO-2024-3340
Published 16-12-2024Last modified 16-12-2024

Vulnerability summary

CVE-2024-54682 is a medium (CVSS 6.5) vulnerability in mattermost. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, 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 (CVE.org)
EPSS score
0.44%
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 1 · Related 1
OPENSUSE-SU-2024:14603-1

Timeline

  1. 16-12-2024
    PublishedVulnerability first disclosed.
  2. 16-12-2024
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.44% 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.

Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
  • mattermost≥ 10.1.0, ≤ 10.1.2 | ≥ 10.0.0, ≤ 10.0.2 | ≥ 9.11.0, ≤ 9.11.4 | ≥ 9.5.0, ≤ 9.5.12
  • mattermost_server≥ 9.5.0, < 9.5.13 | ≥ 9.11.0, < 9.11.5 | ≥ 10.0.0, < 10.0.3 | ≥ 10.1.0, < 10.1.3
Github.com/mattermost1 product
  • mattermost-server≥ 10.1.0+incompatible, < 10.1.3+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8≥ 10.1.0, < 10.1.3 | ≥ 10.0.0, < 10.0.3 | ≥ 9.11.0, < 9.11.5 | ≥ 9.5.0, < 9.5.13 | All versions (No fix recorded)

4 vendors · 6 products

References

4 links