3.5

CVE-2015-8001: mediawiki Improper Access Control

CVSS: 3.5v2.0LowModified
AliasesUBUNTU-CVE-2015-8001DEBIAN-CVE-2015-8001
Published 09-11-2015Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-8001 is a low (CVSS 3.5) Improper Access Control vulnerability in mediawiki. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 74.9% of scored vulnerabilities.

Overall risk
14/100
0100
Low · default modelHow is this calculated?
CVSS score
3.5/10
010
Low · v2.0 (NVD)
EPSS score
1.57%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2015-0421

Timeline

  1. 09-11-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.57%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

-0.01 pp

From 1.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mediawiki< 1:1.25.5-1
Mediawiki1 product
  • mediawiki≤ 1.23.10 | 1.24.0 | 1.24.1 | 1.24.2 | 1.24.3 | 1.25.0 | 1.25.1 | 1.25.2
Ubuntu1 product
  • mediawiki< 1:1.27.4-3

3 vendors · 3 products

References

6 links