What’s Vulnerable › Vulnerabilities

CVE-2023-20863

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-13 · updated 2026-06-17
• Weakness: CWE-400

Description

In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.

Affected products

• Spring Framework: from 5.2.0 before 5.2.24; from 5.3.0 before 5.3.27; from 6.0.0 before 6.0.8 — fixed in 5.2.24, 5.3.27, 6.0.8
• Spring Framework: from Spring framework versions 5.2.x.release prior through 5.2.24.release+, 5.3.x prior to 5.3.27+, 6.0.x prior to 6.0.8+ and older unsupported versions

How to fix

Upgrade to a fixed version: Spring Framework 5.2.24, 5.3.27, 6.0.8. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20240524-0015/
• https://spring.io/security/cve-2023-20863
• https://security.netapp.com/advisory/ntap-20240524-0015/
• https://spring.io/security/cve-2023-20863

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