CVE-2020-13482

Name: CVE-2020-13482
Creator: NVD / NIST
Published: 2020-05-25T22:15:09.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2020-13482 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.91%

55.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Em-Http-Request Project	Em-Http-Request	1.1.5
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33

References

https://github.com/igrigorik/em-http-request/issues/339Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKYP5TR5NTVVDX5R4HCNNH2OQR7M4X3J/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z32PUJA6RGBZ3TKSOTGUXZ45662S3MVF/
https://securitylab.github.com/advisories/GHSL-2020-094-igrigorik-em-http-requestExploit, Third Party Advisory
https://github.com/igrigorik/em-http-request/issues/339Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MKYP5TR5NTVVDX5R4HCNNH2OQR7M4X3J/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z32PUJA6RGBZ3TKSOTGUXZ45662S3MVF/
https://securitylab.github.com/advisories/GHSL-2020-094-igrigorik-em-http-requestExploit, Third Party Advisory

Timeline

Published: May 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13482?

How severe is CVE-2020-13482?

CVE-2020-13482 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13482?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13482?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST