7.5

CVE-2018-1999043: jenkins

CVSS: 7.5v3.0HighModified
AliasesGHSA-2632-h32j-6rg9
Published 23-08-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-1999043 is a high (CVSS 7.5) vulnerability in jenkins. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.67%
0%100%
Low · 0.00 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

Timeline

  1. 23-08-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A denial of service vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in BasicAuthenticationFilter.java, BasicHeaderApiTokenAuthenticator.java that allows attackers to create ephemeral in-memory user records by attempting to log in using invalid credentials.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.67%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.67%

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

Jenkins1 product
Org.jenkins-ci.main1 product
  • jenkins-core< 2.121.3 | ≥ 2.122, < 2.138

2 vendors · 2 products

References

3 links