CVE-2020-36569

Name: CVE-2020-36569
Creator: NVD / NIST
Published: 2022-12-27T22:15:11.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2020-36569 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Authentication is globally bypassed in github.com/nanobox-io/golang-nanoauth between v0.0.0-20160722212129-ac0cc4484ad4 and v0.0.0-20200131131040-063a3fb69896 if ListenAndServe is called with an empty token.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

Authentication is globally bypassed in github.com/nanobox-io/golang-nanoauth between v0.0.0-20160722212129-ac0cc4484ad4 and v0.0.0-20200131131040-063a3fb69896 if ListenAndServe is called with an empty token.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

0.81%

52.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Digitalocean	Golang-Nanoauth	>= 2016-07-22, <= 2020-01-31

References

https://github.com/nanobox-io/golang-nanoauth/commit/063a3fb69896acf985759f0fe3851f15973993f3Patch, Third Party Advisory
https://github.com/nanobox-io/golang-nanoauth/pull/5Third Party Advisory
https://pkg.go.dev/vuln/GO-2020-0004Third Party Advisory
https://github.com/nanobox-io/golang-nanoauth/commit/063a3fb69896acf985759f0fe3851f15973993f3Patch, Third Party Advisory
https://github.com/nanobox-io/golang-nanoauth/pull/5Third Party Advisory
https://pkg.go.dev/vuln/GO-2020-0004Third Party Advisory

Timeline

Published: Dec 27, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36569?

How severe is CVE-2020-36569?

CVE-2020-36569 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36569?

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-2020-36569?

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

Scan your code now

Source: NVD / NIST