| Release Date: | 2021-09-16 | |
| Impact: | None | What is this? |
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
See more information about CVE-2021-40438 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 9.0 |
| Vector String: | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Changed |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
| Platform | Errata | Release Date |
| Oracle Linux version 7 (httpd) | ELSA-2021-3856 | 2021-10-14 |
| Oracle Linux version 8 (httpd) | ELSA-2021-3816 | 2021-10-13 |
| Oracle Linux version 8 (mod_http2) | ELSA-2021-3816 | 2021-10-13 |
| Oracle Linux version 8 (mod_md) | ELSA-2021-3816 | 2021-10-13 |
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