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CVE-2020-13482 — Improper Certificate Validation in...

HIGH

Improper Certificate Validation in EM-HTTP-Request

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

Summary

EM-HTTP-Request 1.1.5 uses 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.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update em-http-request to 1.1.6 or later
gem install em-http-request -v 1.1.6

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
em-http-request
rubygems
0.2.0, 0.2.1, 0.2.10, 0.2.11 (+26 more)1.1.6

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-2020-13482?
Improper Certificate Validation in EM-HTTP-Request 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-2020-13482?
CVE-2020-13482 affects em-http-request. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-13482 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-q27f-v3r6-9v77

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More RubyGems advisories

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