Vulnerability · Published Jan 29, 2020 · Assigned by jenkins
CVE-2020-2103
Medium 5.4
In plain English
A medium-severity security flaw in Jenkins from Jenkins project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.0% (higher than 94% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)7.0%top 5.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier exposed session identifiers on a user's detail object in the whoAmI diagnostic page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.219 | GHSA-4jjj-cm7q-v6hr |
| Maven | org.jenkins-ci.main:jenkins-core | 2.204.2 | GHSA-4jjj-cm7q-v6hr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.218unspecified – through LTS 2.204.1 |
References
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1695 x_refsource_CONFIRM
- [oss-security] 20200129 Multiple vulnerabilities in Jenkins and Jenkins plugins mailing-list, x_refsource_MLIST
- RHSA-2020:0681 vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0683 vendor-advisory, x_refsource_REDHAT
- RHBA-2020:0402 vendor-advisory, x_refsource_REDHAT
- RHBA-2020:0675 vendor-advisory, x_refsource_REDHAT