CVE-2024-22258: PKCE Downgrade in Spring Authorization Server
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients.
Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant.
An application is not vulnerable when a Public Client uses PKCE for the Authorization Code Grant.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
Spring · Spring