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CVE-2022-36604: An access control issue in Canaan Avalon ASIC Miner 2020.3.30 and below allows unauthenticated attackers to ar

50
This week
HIGH 7.5REMOTEUPGRADE

CVE-2022-36604 is a high-severity flaw (CVSS 7.5) affecting avalon asic miner firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An access control issue in Canaan Avalon ASIC Miner 2020.3.30 and below allows unauthenticated attackers to arbitrarily change user passwords via a crafted POST request.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.8% (top 44%)
CISA exploited listNo
WeaknessCWE-306
Published2022-09-01
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: canaan

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

canaan avalon asic miner firmware UPGRADE
Affected: <= 2020.3.30
Fixed in: newer than 2020.3.30
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36604?

avalon asic miner firmware: upgrade to newer than 2020.3.30. Exact commands for each OS are on this page.

Is CVE-2022-36604 being exploited?

CVE-2022-36604 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36604 affect?

CVE-2022-36604 affects avalon asic miner firmware. Severity is high (CVSS 7.5). An access control issue in Canaan Avalon ASIC Miner 2020.3.30 and below allows unauthenticated attackers to arbitrarily change user passwords via a crafted POST request.

How urgent is CVE-2022-36604?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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