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  5. CVE-2020-2253

CVE-2020-2253: Improper Certificate Validation

May 24, 2022 (updated December 29, 2022)

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

References

  • www.openwall.com/lists/oss-security/2020/09/16/3
  • github.com/advisories/GHSA-4qrj-99r6-jfrh
  • nvd.nist.gov/vuln/detail/CVE-2020-2253
  • www.jenkins.io/security/advisory/2020-09-16/

Code Behaviors & Features

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Affected versions

All versions up to 2.75

Fixed versions

  • 2.76

Solution

Upgrade to version 2.76 or above.

Impact 4.8 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-295: Improper Certificate Validation

Source file

maven/org.jenkins-ci.plugins/email-ext/CVE-2020-2253.yml

Spotted a mistake? Edit the file on GitLab.

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