CVE-2020-5401

Name: CVE-2020-5401
Creator: NVD / NIST
Published: 2020-02-27T20:15:11.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-5401 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send invalid headers, causing caching layers to reject subsequent legitimate clients trying to access the app.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send invalid headers, causing caching layers to reject subsequent legitimate clients trying to access the app.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.04%

59.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cloudfoundry	Routing Release	< 0.197.0

References

https://www.cloudfoundry.org/blog/cve-2020-5401Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2020-5401Vendor Advisory

Timeline

Published: Feb 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5401?

How severe is CVE-2020-5401?

CVE-2020-5401 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5401?

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-2020-5401?

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

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Source: NVD / NIST