CVE-2020-2187 json
Lack of SSL/TLS certificate and hostname validation in Amazon EC2 Plugin
published 2020-05-06 6 y ago modified 2026-06-17 4 mo ago also GHSA-c89c-pvm7-33wj , EUVD-2022-3533
- cvss
- 5.6
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.
Patch / fix
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 5.6 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:ec2 | <1.50.2 |
1.50.2 |
Affected products
- Jenkins project Jenkins Amazon EC2 Plugin
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/jenkinsci/ec2-plugin/commit/4c9f03ae202e4730fd54eda40771fa4d3873e358
web
-
jenkins.io
/security/advisory/2020-05-06/#SECURITY-1528
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/05/06/3
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2187
advisory
-
github.com
/jenkinsci/ec2-plugin
package
Sources
- CVE List CVE-2020-2187
- GitHub Advisory GHSA-c89c-pvm7-33wj
- NVD CVE-2020-2187
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