CVE-2021-42765
HIGHCVSS 7.5/10EPSS 0.93%
Last modified
CVE-2021-42765 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).. EPSS estimates a 0.93% chance of exploitation in the next 30 days.
Description
The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proof-Of-Stake Ethereum Project | Proof-Of-Stake Ethereum | <= 2021-10-19 |
References
- https://arxiv.org/abs/2110.10086Third Party Advisory
- https://arxiv.org/abs/2110.10086Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42765?
The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service (indefinite stalling of consensus decisions).
How severe is CVE-2021-42765?
CVE-2021-42765 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42765?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-42765?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST