CVE-2023-20883

HIGH

7.5

CVSS Score

Published: May 26, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:31 AM UTC

1 product affected across 1 vendorSpring Boot

Using Spring Boot by N/A?

Get instant alerts when new vulnerabilities affect Spring Boot - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 0.9%

SSVC

No known exploit

Description

In Spring Boot versions 3.0.0 - 3.0.6, 2.7.0 - 2.7.11, 2.6.0 - 2.6.14, 2.5.0 - 2.5.14 and older unsupported versions, there is potential for a denial-of-service (DoS) attack if Spring MVC is used together with a reverse proxy cache.

Affected

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

Spring Boot · VMware

95%

v ≤ 2.5.14v < 2.5.142.6.0 ≤ v ≤ 2.6.142.7.0 ≤ v ≤ 2.7.113.0.0 ≤ v ≤ 3.0.6

Affected range stops below 2.5.14, 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

https://spring.io/security/cve-2023-20883

References (2)

Source: [email protected]

https://security.netapp.com/advisory/ntap-20230703-0008/

Vendor Advisory

Source: [email protected]

https://spring.io/security/cve-2023-20883

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-400

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card