CVE-2021-33193
published 2021-08-16CVE-2021-33193: A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue…
high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | http_server | >= 2.4.17 < 2.4.49 | 2.4.49 |
| apache_software_foundation | apache_http_server | — | — |
| debian | apache2 | < apache2 2.4.48-4 (bookworm) | apache2 2.4.48-4 (bookworm) |
| debian | debian_linux | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| msrc | cbl2_httpd_2.4.52-1_on_cbl_mariner_2.0 | — | — |
| msrc | cm1_httpd_2.4.46-6_on_cbl_mariner_1.0 | — | — |
| oracle | secure_backup | < 18.1.0.1.0 | 18.1.0.1.0 |
| oracle | zfs_storage_appliance_kit | — | — |
| tenable | tenable.sc | <= 5.19.1 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
osv7.5HIGH