Improper input validation in Encode Httpx
CVE-2021-41945
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`.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.000
Affected products
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
- gist.github.com/lebr0nli/4edb76bbd3b5ff993cf44f2fbce5e571 (Exploit, Third Party Advisory)
- github.com/encode/httpx (Product, Third Party Advisory)
- github.com/encode/httpx/discussions/1831 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/encode/httpx/issues/2184 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/encode/httpx/releases/tag/0.23.0 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-41945?
- CVE-2021-41945 is a critical-severity vulnerability in Encode Httpx, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2022-04-28.
- How severe is CVE-2021-41945?
- Critical severity. CVSS v3 base score is 9.1 out of 10.