CVE-2021-29500 Missing validation of JWT signature
Attackers can forge valid JWTs due to missing signature verification, bypassing authentication in applications using the bubble fireworks library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-29500?
CVE-2021-29500 is a high-severity authentication bypass vulnerability in fxbin bubble-fireworks, published on 4 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-347
Which versions are affected by CVE-2021-29500?
It affects 1 product.
Products include Bubble Fireworks Project Bubble Fireworks.
How do I fix CVE-2021-29500?
No fix has been published for CVE-2021-29500 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-29500 being exploited?
There is no known exploitation of CVE-2021-29500 in the wild and no public exploit code.
Sources
Also known as GHSA-hj36-84cp-29pr.