RCE in VMware Spring Framework

CVE-2023-20863

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.

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: 0.011 (64.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.9% 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-2023-20863: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

  • VMware Spring Framework
  • Spring Framework — versions Spring framework versions 5.2.x.release prior to 5.2.24.release+, 5.3.x prior to 5.3.27+, 6.0.x prior to 6.0.8+ and older unsupported versions

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-20863?
CVE-2023-20863 is a medium-severity vulnerability in VMware Spring Framework, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-04-13.
How severe is CVE-2023-20863?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-20863 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.