proof-of-stake ethereum vulnerabilities and fixes

Recent CVEs affecting proof-of-stake ethereum, with upgrade or downgrade steps. 3 tracked.

Also searched as: proof of stake ethereum, proof-of-stakeethereum.

proof-of-stake ethereum has 3 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 3. Most recent: 2021-10-20. Highest priority: CVE-2021-42766 (score 52/100).

• CVE-2021-42766 CRITICAL 9.1 UPGRADE The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial
• CVE-2021-42765 HIGH 7.5 UPGRADE The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage networ
• CVE-2021-42764 CRITICAL 9.1 UPGRADE The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial

FAQ

How do I fix proof-of-stake ethereum vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is proof-of-stake ethereum being exploited right now?

None of the tracked proof-of-stake ethereum CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which proof-of-stake ethereum CVE should I patch first?

CVE-2021-42766 currently ranks highest (52/100): The Proof-of-Stake (PoS) Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial .

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