Resource exhaustion in VMware Spring Framework

CVE-2023-20861

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.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-20861: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

  • VMware Spring Framework
  • Spring Framework — versions Spring Framework (6.0.0 to 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)

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-20861?
CVE-2023-20861 is a medium-severity vulnerability in VMware Spring Framework, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-03-23.
How severe is CVE-2023-20861?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-20861 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.