CVE-2023-34053

Spring Framework server Web Observations DoS Vulnerability

HIGH
7.5
CVSS Score
Published: November 28, 2023 at 08:10 AM UTC
Updated: June 17, 2026 at 06:02 AM UTC
2 products affected across 2 vendorsSpring FrameworkSpring Framework

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0.0 ≤ v < 6.0.14
Affected range stops below 6.0.14, so it looks safe — our inference, not a vendor statement
6.0.0 ≤ v < 6.0.146.0.0
Affected range stops below 6.0.14, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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