Signature Wrapping Vulnerability with spring-security-saml2-service-provider
CVE-2020-5407
8.8HIGH
Key Information:
- Vendor
- Spring By Vmware
- Status
- Spring Security
- Vendor
- CVE Published:
- 13 May 2020
Summary
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. 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.
Affected Version(s)
Spring Security 5.2 < 5.2.4
Spring Security 5.3 < 5.3.2
References
EPSS Score
1% chance of being exploited in the next 30 days.
CVSS V3.1
Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved