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CVE-2023-34053 Spring Framework

Affected softwareSpring Framework
Severity7.5 High CVSS 3.1 2 scores
Fixed in6.0.14
Published28 Nov 2023
Updated17 Jun 2026

Description

In Spring Framework versions 6.0.0 - 6.0.13, it is possible for a user to provide specially crafted HTTP requests that may cause a denial-of-service (DoS) condition. Specifically, an application is vulnerable when all of the following are true: * the application uses Spring MVC or Spring WebFlux * io.micrometer:micrometer-core is on the classpath * an ObservationRegistry is configured in the application to record observations Typically, Spring Boot applications need the org.springframework.boot:spring-boot-actuator dependency to meet all conditions.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 2 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 1.2% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: spring-projects/spring-framework c187846.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all
Finding This CVE is not listed in CISA KEV or VulnCheck KEV, CISA Vulnrichment records no active exploitation, no reviewed exploit catalogue carries an entry for it, and no GitHub PoC repository for it has 5 or more stars. Nobody has published exploit code worth tracing, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.

CVSS

7.5 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD Primary published
CVSS 3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L security@vmware.com Secondary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update October 2025 ↗ CPU 2025-Q4 Oracle Retail Applications / Foundation (Spring Framework) (16.0.3, 19.0.1)
Oracle Critical Patch Update April 2024 ↗ CPU 2024-Q2 Oracle Communications / BEServer (Spring Framework) (24.1.0.0.0)
Oracle Communications Applications / Security (Spring Framework) (12.0.0.4-12.0.0.8, 15.0.0.0)
Oracle Critical Patch Update January 2024 ↗ CPU 2024-Q1 Oracle Communications / Third Party (Spring Framework) (23.2.0.0.2, 23.3.0.0.0)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Communications BEServer (Spring Framework) 24.1.0.0.0 24.1.0.0.0
Oracle Communications Third Party (Spring Framework) 23.2.0.0.2, 23.3.0.0.0 23.2.0.0.2 · 23.3.0.0.0
Oracle Communications Applications Security (Spring Framework) 12.0.0.4-12.0.0.8, 15.0.0.0 15.0.0.0
Oracle Retail Applications Foundation (Spring Framework) 16.0.3, 19.0.1 16.0.3 · 19.0.1

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.springframework:spring-webmvc 6.0.0 6.0.14 unbounded

Products and versions

2 products, 2 version entries
SourceVendorProductSchemeAffected versions
osv org.springframework spring-webmvc generic ≥ 6.0.0 and < 6.0.14
nvd vmware spring framework generic ≥ 6.0.0 and < 6.0.14

References

URLTags
https://github.com/spring-projects/spring-framework/commit/c18784678df489d06a70e54fcddb5e3821d4b00c WEB
https://github.com/spring-projects/spring-framework PACKAGE
https://github.com/spring-projects/spring-framework/compare/v6.0.13...v6.0.14 WEB
https://security.netapp.com/advisory/ntap-20231214-0007 WEB
https://spring.io/security/cve-2023-34053 WEB
https://security.netapp.com/advisory/ntap-20231214-0007/

Timeline

Published2023-11-28By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.