CVE-2021-22119: Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service…

PriorityP347high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

6.00%

92.5th percentile

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker can send multiple requests initiating the Authorization Request for the Authorization Code Grant, which has the potential of exhausting system resources using a single session or multiple sessions.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
oracle	communications_cloud_native_core_policy	—	—
vmware	spring_security	—	—
vmware	spring_security	>= 5.2.0 < 5.2.11	5.2.11
vmware	spring_security	>= 5.3.0 < 5.3.10	5.3.10
vmware	spring_security	>= 5.4.0 < 5.4.7	5.4.7
vmware	spring_security	>= 5.5.0 < 5.5.1	5.5.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

vendor_oracle7.5HIGH

vendor_redhat7.5HIGH

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.