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Critical severity · published May 25, 2022
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…
9.8
CVSS
8.1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.1% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Werkzeug · Palletsprojects
through 2.1.0 · source: NVD
Affected product
WE
Werkzeug
Palletsprojects
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-29361
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-29361
Patch
https://github.com/pallets/werkzeug/commit/9a3a981d70d2e9ec3344b5192f86fcaf3210cd85
Issue Tracking
https://github.com/pallets/werkzeug/issues/2420
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