CVE-2023-38522

Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0	Mailing List Vendor Advisory
https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0	Mailing List Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::

History

19 Sep 2025, 18:15

Type	Values Removed	Values Added
CWE	~~CWE-86~~

Information

Published : 2024-07-26 10:15

Updated : 2025-09-19 18:15

NVD link : CVE-2023-38522

Mitre link : CVE-2023-38522

CVE.ORG link : CVE-2023-38522

JSON object : View

Products Affected

apache

traffic_server

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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