cbcvebase.
CVE-2021-33683
published 2021-07-14

CVE-2021-33683: SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT…

PriorityP422medium4.3CVSS 3.1
AVNACLPRLUINSUCNILAN
EPSS
0.55%
41.9th percentile
SAP Web Dispatcher and Internet Communication Manager (ICM), versions - KRNL32NUC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL32UC 7.21, 7.21EXT, 7.22, 7.22EXT, KRNL64NUC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, KRNL64UC 7.21, 7.21EXT, 7.22, 7.22EXT, 7.49, 7.53, 7.73, WEBDISP 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, KERNEL 7.21, 7.22, 7.49, 7.53, 7.73, 7.77, 7.81, 7.82, 7.83, process invalid HTTP header. The incorrect handling of the invalid Transfer-Encoding header in a particular manner leads to a possibility of HTTP Request Smuggling attack. An attacker could exploit this vulnerability to bypass web application firewall protection, divert sensitive data such as customer requests, session credentials, etc.

Affected

46 ranges· showing 25
VendorProductVersion rangeFixed in
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapinternet_communication_manager——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——
sapweb_dispatcher——

CVSS provenance

nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
nvdv3.05.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.