CVE-2022-41721
Title: Golang H2C
Other
Proof Of Concept
No public PoC currently indexed for CVE-2022-41721.
CWE Category
CWE-444
Published Date
Jan 13, 2023
Modified Date
Apr 04, 2025
Exploit Status
Not Found
Score
7.5
CVSS v3.1
Exploit Probability (EPSS)
0.07%
Vulnerability Summary
CVE-2022-41721: A request smuggling attack is possible when using MaxBytesHandler. When using MaxBytesHandler, the body of an HTTP request is not fully consumed. When the server attempts to read HTTP2 frames from the connection, it will instead be reading the body of the HTTP request, which could be attacker-manipulated to represent arbitrary HTTP2 requests.
Impacted Vendors
Reference Links
https://go.dev/cl/447396
https://go.dev/issue/56352
https://lists.fedoraproject.org/archives/list/[email protected]/message/X3H3EWQXM2XL5AGBX6UL443JEJ3GQXJN/
https://lists.fedoraproject.org/archives/list/[email protected]/message/X5DXTLLWN6HKI5I35EUZRBISTNZJ75GP/
https://pkg.go.dev/vuln/GO-2023-1495
https://go.dev/cl/447396
https://go.dev/issue/56352
https://lists.fedoraproject.org/archives/list/[email protected]/message/X3H3EWQXM2XL5AGBX6UL443JEJ3GQXJN/
https://lists.fedoraproject.org/archives/list/[email protected]/message/X5DXTLLWN6HKI5I35EUZRBISTNZJ75GP/
https://pkg.go.dev/vuln/GO-2023-1495
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1
Source Entity
134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity
HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2022-41721 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Stack
No specific products linked.