CVE-2024-22258

CVE-2024-22258: PKCE Downgrade in Spring Authorization Server

Medium · published March 20, 2024

CVSS v3.1
6.1
EPSS
1%
Percentile
43.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00526 · 43.7th percentile
Published
2024-03-20T03:58Z
EPSS history
Timeline
  • 20 MAR 03:58Z
    CVE-2024-22258: PKCE Downgrade in Spring Authorization Server
    cvelistv5