CVE-2023-20861: vmware spring_framework Uncontrolled Resource Consumption
Vulnerability summary
CVE-2023-20861 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in vmware spring_framework. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 23-03-2023PublishedVulnerability first disclosed.
- 25-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.97% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- libspring-javaAll versions (No fix recorded)
Org.springframework1 product
- spring-expression≥ 6.0.0, < 6.0.7 | ≥ 5.3.0, < 5.3.26 | < 5.2.23.RELEASE
Ubuntu1 product
- libspring-javaAll versions (No fix recorded)
Vmware1 product
- spring_framework≤ 5.2.22 | ≥ 5.3.0, ≤ 5.3.25 | ≥ 6.0.0, ≤ 6.0.6
4 vendors · 4 products
