CVE-2021-33193: debian linux +5 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-33193

CVSS 7.5 · High EPSS 46,2%

Kerentanan pada debian linux, apache http server +4 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 16 Agustus 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
EPSS (30 hari): 46,2% peluang dieksploitasi; lebih tinggi dari 98,7% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
debian	debian linux	Versi 10.0
apache	http server	Versi 2.4.17 hingga sebelum 2.4.49
fedoraproject	fedora	Versi 34
fedoraproject	fedora	Versi 35
tenable	tenable.sc	Semua versi hingga 5.19.1
oracle	secure backup	Semua versi sebelum 18.1.0.1.0
oracle	zfs storage appliance kit	Versi 8.8

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch patch
https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d%40%3Ccvs.httpd.... patch
https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70%40%3Ccvs.httpd.... patch
https://www.oracle.com/security-alerts/cpuapr2022.html patch · advisory pihak ketiga
https://www.oracle.com/security-alerts/cpujan2022.html patch · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html mailing list · advisory pihak ketiga
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2T... advisory pihak ketiga
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QV... advisory pihak ketiga
https://portswigger.net/research/http2 exploit · advisory pihak ketiga
https://security.gentoo.org/glsa/202208-20 advisory pihak ketiga
https://security.netapp.com/advisory/ntap-20210917-0004/ advisory pihak ketiga
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ advisory pihak ketiga
https://www.tenable.com/security/tns-2021-17 advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.