GitHub Advisoryadvisory · RubyGems

GHSA-4f68-49qq-h392 Improper certificate validation in em-imap

HIGH Published 2021-05-24 Modified 2023-09-05 Official page ↗
Aliases
CVE-2020-13163
Ecosystem
RubyGems
Packages
em-imap
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-295
Reviewed
2021-05-20

Affected packages

• RubyGems em-imap: <= 0.5 (no fix yet)

Description

em-imap 0.5 and earlier use the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.

Related

Alias · CVE (1)

  • CVE-2020-13163 em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of… vulnerability

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

References