CVE-2021-23409

Denial of Service (DoS)

Description

The package github.com/pires/go-proxyproto before 0.6.0 are vulnerable to Denial of Service (DoS) via creating connections without the proxy protocol header.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.91% Top 30%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io

Affected: n/a github.com/pires/go-proxyproto

References

Link	Tags
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439	third party advisory patch
https://github.com/pires/go-proxyproto/releases/tag/v0.6.0	third party advisory release notes
https://github.com/pires/go-proxyproto/issues/65	third party advisory issue tracking
https://github.com/pires/go-proxyproto/pull/74	third party advisory patch
https://github.com/pires/go-proxyproto/pull/74/commits/cdc63867da24fc609b727231f682670d0d1cd346	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23409?: CVE-2021-23409 has been scored as a high severity vulnerability.
How to fix CVE-2021-23409?: To fix CVE-2021-23409, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23409 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-23409 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23409?: CVE-2021-23409 affects n/a github.com/pires/go-proxyproto.

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