6.5

CVE-2018-0505: debian debian_linux Improper Authentication

CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-0505DEBIAN-CVE-2018-0505
Published 04-10-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-0505 is a medium (CVSS 6.5) Improper Authentication vulnerability in debian debian_linux. EPSS estimates a 1.97% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.97%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

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. 16-09-2024
    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 BotPasswords can bypass CentralAuth's account lock

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.97%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

+0.04 pp

From 1.93% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (phabricator.wikimedia.org)

    Maturity: unknown

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