CVE-2022-29361

Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

8.07% chance of exploitation in the next 30 days, 94th percentile

Published

2022-05-24

Updated

2024-08-03

Proof-of-concept exploits (2)

• kevin-mizu/Werkzeug-CVE-2022-29361-PoC5★ · 2023-04-09
• l3ragio/CVE-2022-29361_Werkzeug_Client-Side-Desync-to-XSS1★ · 2023-11-25

References

• CVE Record
• NVD entry

Related

• CVE-2022-29360
• CVE-2022-29363
• CVE-2022-29359
• CVE-2022-29368
• CVE-2022-29358
• CVE-2022-29380