CVE-2023-20873

Name: CVE-2023-20873
Creator: NVD / NIST
Published: 2023-04-20T21:15:08.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2023-20873 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Vmware	Spring Boot	< 2.5.15
Vmware	Spring Boot	>= 2.6.0, < 2.6.14
Vmware	Spring Boot	>= 2.7.0, < 2.7.11
Vmware	Spring Boot	>= 3.0.0, < 3.0.6

References

https://security.netapp.com/advisory/ntap-20230601-0009/Third Party Advisory
https://spring.io/blog/2023/05/18/spring-boot-2-5-15-and-2-6-15-available-now
https://spring.io/security/cve-2023-20873Vendor Advisory
https://security.netapp.com/advisory/ntap-20230601-0009/Third Party Advisory
https://spring.io/blog/2023/05/18/spring-boot-2-5-15-and-2-6-15-available-now
https://spring.io/security/cve-2023-20873Vendor Advisory

Timeline

Published: Apr 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20873?

How severe is CVE-2023-20873?

CVE-2023-20873 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20873?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20873?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST