Vulnerability in Jenkins
CVE-2018-1000193
A improper neutralization of control sequences vulnerability exists in Jenkins 2.120 and older, LTS 2.107.2 and older in HudsonPrivateSecurityRealm.java that allows users to sign up using user names containing control characters that can then appear to have the same name as other users, and cannot be deleted via the UI.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Jenkins
- Oracle Communications Cloud Native Core Automated Test Suite — versions 1.9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
- jenkins.io/security/advisory/2018-05-09/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-1000193?
- CVE-2018-1000193 is a medium-severity vulnerability in Jenkins, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.3/10. Published 2018-06-05.
- How severe is CVE-2018-1000193?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2018-1000193 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.