CVE-2021-41945 - CVE House
Back to Database
Status published Critical CVE-2021-41945

Encode OSS httpx < 0.23.0 is affected by improper input...

Vulnerability 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`.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-41945

Credits & Attribution

No credits recorded in the NVD database.

References

More from encode

View All →
CVE-2025-54121
Starlette has possible denial-of-service vector when parsing large files in multipart forms
Medium 5.3
CVE-2024-47874
Starlette Denial of service (DoS) via multipart/form-data
High 8.7

Affected Vendor

Affected Software

httpx
Vulnerable Versions:
0

Timeline

Official Publish: April 28th, 2022
Last Modified: July 9th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.