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Fencer Vulns
medium 5.3

CVE-2023-34055 json

Spring Boot server Web Observations DoS Vulnerability

published 2023-11-28 2 y ago modified 2026-06-17 4 mo ago also GHSA-jjfh-589g-3hjx , EUVD-2023-2990

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

In Spring Boot versions 2.7.0 - 2.7.17, 3.0.0-3.0.12 and 3.1.0-3.1.5, 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 * org.springframework.boot:spring-boot-actuator is on the classpath

Patch / fix

  • maven org.springframework.boot:spring-boot-actuator 2.7.18, 3.0.13, 3.1.6
  • Spring Spring Boot 2.7.18, 3.0.13, 3.1.6

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-34055 updated cvss 6.5

spring-boot: org.springframework.boot: spring-boot-actuator class vulnerable to denial of service

  • Red Hat AMQ Broker 7 spring-boot
    affected: no fix available
  • Red Hat Decision Manager 7 spring-boot
    affected: no fix planned “Out of support scope”
  • Red Hat Integration Camel K 1 spring-boot
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Enterprise Application Platform 6 spring-boot
    affected: no fix planned “Out of support scope”
  • Red Hat JBoss Enterprise Application Platform Expansion Pack spring-boot
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse 6 spring-boot Red Hat JBoss Fuse Service Works 6 spring-boot Red Hat OpenShift Application Runtimes spring-boot Red Hat Process Automation 7 spring-boot Red Hat support for Spring Boot spring-boot
    affected: no fix planned “Out of support scope”
  • Red Hat Fuse 7.13.0
    fixed: vendor fix RHSA-2024:3354
  • Red Hat A-MQ Clients 2 spring-boot Red Hat Migration Toolkit for Runtimes spring-boot Red Hat build of Apache Camel for Spring Boot 3 spring-boot Red Hat build of OptaPlanner 8 spring-boot Red Hat Data Grid 8 spring-boot Red Hat Enterprise Linux 8 log4j, log4j-jcl, log4j-web, log4j-slf4j
    +6 more products
    Red Hat Enterprise Linux 9 log4j, log4j-jcl, log4j-slf4j Red Hat JBoss Data Grid 7 spring-boot Red Hat JBoss Enterprise Application Platform 7 spring-boot Red Hat JBoss Enterprise Application Platform 8 spring-boot Red Hat Single Sign-On 7 spring-boot Red Hat streams for Apache Kafka spring-boot
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
maven org.springframework.boot:spring-boot-actuator
<2.7.18
>=3.0.0, <3.0.13
>=3.1.0, <3.1.6
2.7.18
3.0.13
3.1.6

Affected products

  • Spring Spring Boot

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.