CVE-2023-38522
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
26/07/2024
Last modified:
03/11/2025
Description
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.<br />
<br />
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.<br />
<br />
Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.
Impact
Base Score 3.x
7.50
Severity 3.x
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* | 8.0.0 (including) | 8.1.11 (excluding) |
| cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* | 9.0.0 (including) | 9.2.5 (excluding) |
To consult the complete list of CPE names with products and versions, see this page



