CVE-2020-7693

Public Exploit
Denial of Service (DoS)

Description

Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 11.97% Top 10%
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 Third-Party Advisory snyk.io
Affected: n/a sockjs
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-SOCKJS-575261 third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-575448 third party advisory exploit
https://github.com/sockjs/sockjs-node/issues/252 patch third party advisory exploit
https://github.com/sockjs/sockjs-node/pull/265 third party advisory patch
https://github.com/andsnw/sockjs-dos-py third party advisory exploit
https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-7693?
CVE-2020-7693 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7693?
To fix CVE-2020-7693, 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-2020-7693 being actively exploited in the wild?
It is possible that CVE-2020-7693 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7693?
CVE-2020-7693 affects n/a sockjs.
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