What’s Vulnerable › Vulnerabilities

CVE-2023-20861

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-23 · updated 2026-06-17
• Weakness: CWE-400

Description

In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, 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: through 5.2.22; from 5.3.0 through 5.3.25; from 6.0.0 through 6.0.6
• Spring Framework: from Spring Framework (6.0.0 through 6.0.6, 5.3.0 to 5.3.25, 5.2.0.RELEASE to 5.2.22.RELEASE, Older unsupported versions are also affected)

References

• https://security.netapp.com/advisory/ntap-20230420-0007/
• https://spring.io/security/cve-2023-20861
• https://security.netapp.com/advisory/ntap-20230420-0007/
• https://spring.io/security/cve-2023-20861

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