Vulnerability · Published Jan 29, 2020 · Assigned by jenkins
CVE-2020-2102
Medium 5.3
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 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.204.2 | GHSA-fj6f-6933-839j |
| Maven | org.jenkins-ci.main:jenkins-core | 2.219 | GHSA-fj6f-6933-839j |
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-1660 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