Medium severity · published Mar 20, 2024
CVE-2024-22258
CVE-2024-22258: PKCE Downgrade in Spring Authorization Server
6.1
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Spring · Spring
1.0.x before 1.0.6; 1.1.x before 1.1.6; 1.2.x before 1.2.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-22258
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-22258
spring.io
https://spring.io/security/cve-2024-22258
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