Loading...
Skip to main content
GeekWala

CVE-2020-13163 — Improper certificate validation in em-imap — CVE...

HIGH

Improper certificate validation in em-imap

Published May 24, 2021Updated February 16, 2024Source: osv

Summary

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.

Advisory Timeline

  • First published May 24, 2021 (1967 days ago).
  • Last revised February 16, 2024 — 998 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
em-imap
rubygems
0.1, 0.1.1, 0.2, 0.2.1 (+5 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-295
    Improper Certificate ValidationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.4 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

References

Frequently Asked Questions

What is CVE-2020-13163?
Improper certificate validation in em-imap This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.4/10).
How do I check if my project is affected by CVE-2020-13163?
CVE-2020-13163 affects em-imap. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-13163 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.4

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-4f68-49qq-h392

Related CVEs

  • CVE-2026-94462
    HIGH

    Spree: Broken Access Control in `PATCH /api/v3/store/carts/:id/associate` (IDOR)

  • CVE-2026-77601
    HIGH

    OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

More RubyGems advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies