Vulnerability · Published Sep 16, 2020 · Assigned by jenkins
CVE-2020-2253
Medium 4.8
In plain English
A medium-severity security flaw in Jenkins Email Extension Plugin 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 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.8Medium
Exploit odds (30 days)0.7%top 47.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:email-ext | 2.76 | GHSA-4qrj-99r6-jfrh |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Email Extension Plugin | unspecified – through 2.75 |
References
- https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1851 x_refsource_CONFIRM
- [oss-security] 20200916 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST