Vulnerability Intelligence Report
Signature Wrapping Vulnerability with spring-security-saml2-service-provider
CVE-2020-5407
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.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:1.20%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-347 ↗CWE-347: Improper Verification of Cryptographic Signature
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Spring by VMware | Spring Security | 5.2 < 5.2.4 (affected), 5.3 < 5.3.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.199%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | pivotal |
| Reserved | 2020-01-03T00:00:00 |
| Published | 2020-05-13T17:00:15 |
| Patch Date | 2020-05-13 |
| Last Updated | 2024-09-16T23:56:17 |
Community Chatter & Buzz