CVE-2020-5407: Improper Verification of Cryptographic Signature

May 13, 2020 (updated June 14, 2021)

When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.

References

nvd.nist.gov/vuln/detail/CVE-2020-5407
tanzu.vmware.com/security/cve-2020-5407

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