CVE-2024-52921 Missing authorization in n/a
A remote peer can disrupt block download states for other peers by sending a mutated block, potentially causing service degradation.
- 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-2024-52921?
CVE-2024-52921 is a medium-severity missing authorization vulnerability in Bitcoin Bitcoin Core, published on 18 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.
Weakness: CWE-862
Which versions are affected by CVE-2024-52921?
It affects 1 product.
Products include Bitcoin Bitcoin Core.
How do I fix CVE-2024-52921?
No fix has been published for CVE-2024-52921 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-52921 being exploited?
There is no known exploitation of CVE-2024-52921 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-rxgg-vpm5-pccw.