Vulnerability in Jenkins Email Extension
CVE-2020-2253
Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Jenkins Email Extension
- Jenkins Project Email Extension Plugin — versions unspecified, 2.69.1, 2.68.1
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2020-09-16/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/09/16/3 (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-2253?
- CVE-2020-2253 is a medium-severity vulnerability in Jenkins Email Extension, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-09-16.
- How severe is CVE-2020-2253?
- Medium severity. CVSS v3 base score is 4.8 out of 10.