4.3

CVE-2018-0503: debian debian_linux Improper Privilege Management

CVSS: 4.3v3.0MediumModified
AliasesUBUNTU-CVE-2018-0503DEBIAN-CVE-2018-0503
Published 04-10-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-0503 is a medium (CVSS 4.3) Improper Privilege Management vulnerability in debian debian_linux. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.56%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5
DSA-4301-1MGASA-2018-0433RHSA-2019:3142RHSA-2019:3238RHSA-2019:3813

Timeline

  1. 04-10-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.56%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

+0.03 pp

From 1.53% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.56%

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

Debian2 products
Mediawiki1 product
  • mediawiki< 1.31.1, 1.30.1, 1.29.3 and 1.27.5 | ≥ 1.31.0, < 1.31.1 | 1.27.5 | 1.29.3 | 1.30.1
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 4 products

References

10 links