CVSS 3.1 Score 6.1 of 10 (medium)


Published Mar 20, 2024


CVE-2024-22258 is a vulnerability affecting 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. This vulnerability exposes a PKCE Downgrade Attack for Confidential Clients when a Confidential Client uses PKCE for the Authorization Code Grant. Public Clients using PKCE for the Authorization Code Grant are not affected by this vulnerability. The risk score for this vulnerability is 25, with a base severity of MEDIUM and a base score of 6.1 according to's analysis report, which indicates that it requires user interaction and can be exploited over the network with low impact on integrity and confidentiality but no impact on availability.

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