What is CVE-2024-38821?

CVE-2024-38821 is a critical-severity vulnerability in Spring, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.1/10. Published 2024-10-28.

How severe is CVE-2024-38821?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2024-38821 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Spring

CVE-2024-38821

Spring WebFlux applications that have Spring Security authorization rules on static resources can be bypassed under certain circumstances. For this to impact an application, all of the following must be true: * It must be a WebFlux application * It must be using Spring's static resources support * It must have a non-permitAll authorization rule applied to the static resources support

EPSS: 0.017 (75.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Spring — versions 5.7.x, 5.8.x, 6.0.x

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-38821?: CVE-2024-38821 is a critical-severity vulnerability in Spring, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 9.1/10. Published 2024-10-28.
How severe is CVE-2024-38821?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2024-38821 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.