SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and…

HIGH 7.5EPSS 6.00%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.00% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-863
Affected
vmware/spring security · oracle/communications cloud native core policy
Source
security@vmware.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.