Vulnerability · Published Jan 29, 2020 · Assigned by jenkins
CVE-2020-2099
High 8.6
In plain English
A high-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 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.6High
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3, allowing unauthorized attackers with knowledge of agent names to obtain the connection secrets for those agents, which can be used to connect to Jenkins, impersonating those agents.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.204.2 | GHSA-qp4f-2w67-c8hw |
| Maven | org.jenkins-ci.main:jenkins-core | 2.214 | GHSA-qp4f-2w67-c8hw |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.213unspecified – through LTS 2.204.1 |
References
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1682 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