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CVE-2021-29500

Missing validation of JWT signature

HIGH
7.5
CVSS Score
Published: June 4, 2021 at 08:05 PM UTC
Updated: June 17, 2026 at 03:47 AM UTC
2 products affected across 2 vendorsBubble FireworksFireworks Project Bubble Fireworks

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%

Description

bubble fireworks is an open source java package relating to Spring Framework. In bubble fireworks before version 2021.BUILD-SNAPSHOT there is a vulnerability in which the package did not properly verify the signature of JSON Web Tokens. This allows to forgery of valid JWTs.

Affected

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

Bubble Fireworks· Bubble Fireworks Project
95%
v < 2021.build-snapshot
Affected range stops below 2021.build-snapshot, so it looks safe — our inference, not a vendor statement
Fireworks Project Bubble Fireworks· Fxbin
60%
v < 2021.BUILD-SNAPSHOT
Affected range stops below 2021.BUILD-SNAPSHOT, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/fxbin/bubble-fireworks/security/advisories/GHSA-hj36-84cp-29pr

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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