CVE-2021-41945

Public Exploit

Description

Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory encode.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://encode.com vendor advisory
https://gist.github.com/lebr0nli/4edb76bbd3b5ff993cf44f2fbce5e571 third party advisory exploit
https://github.com/encode/httpx third party advisory product
https://github.com/encode/httpx/discussions/1831 issue tracking exploit third party advisory
https://github.com/encode/httpx/issues/2184 issue tracking exploit third party advisory
https://github.com/encode/httpx/releases/tag/0.23.0 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-41945?
CVE-2021-41945 has been scored as a critical severity vulnerability.
How to fix CVE-2021-41945?
To fix CVE-2021-41945, 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-2021-41945 being actively exploited in the wild?
It is possible that CVE-2021-41945 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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