CVE-2022-33320: Deserialization of Untrusted Data vulnerability in Mitsubishi Electric GENESIS64 versions 10.97 to 10.97.1, Mi

Q: How do I fix CVE-2022-33320?

genesis64: downgrade or apply the listed mitigation; mc works64: upgrade to newer than 10.95.210.01. Exact commands for each OS are on this page.

Q: Is CVE-2022-33320 being exploited?

CVE-2022-33320 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-33320 affect?

CVE-2022-33320 affects genesis64, mc works64. Severity is high (CVSS 7.8). Deserialization of Untrusted Data vulnerability in Mitsubishi Electric GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric ICONICS Suite versions 10.97

Routine

HIGH 7.8DOWNGRADEUPGRADE

CVE-2022-33320 is a high-severity flaw (CVSS 7.8) affecting genesis64, mc works64. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in Mitsubishi Electric GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric ICONICS Suite versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97 to 10.97.1, and Mitsubishi Electric MC Works64 versions 4.04E and prior allows an unauthenticated attacker to execute an ar

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-502
Published	2022-07-20
Last modified	2026-06-17

Publisher (CNA): Mitsubishi Electric Corporation · Vendor: iconics · mitsubishielectric

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

Am I affected?

Timeline

2022-07-20 17:15 UTCPublished CVE record published
2026-06-17 04:49 UTCUpdated Record last modified

iconics genesis64 DOWNGRADE

Affected: 10.97 · 10.97.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.97

1. Check installed version

apt-cache policy genesis64 || rpm -q genesis64 || genesis64 --version

2. No fixed release: DOWNGRADE to a release before 10.97 (Debian / Ubuntu)

apt-cache madison genesis64 sudo apt install genesis64=<VERSION_BEFORE_10.97> sudo apt-mark hold genesis64

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list genesis64 sudo dnf downgrade genesis64-<VERSION_BEFORE_10.97> sudo dnf versionlock add genesis64

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

mitsubishielectric mc works64 UPGRADE

Affected: <= 10.95.210.01

Fixed in: newer than 10.95.210.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mc-works64 || rpm -q mc-works64 || mc-works64 --version

2. UPGRADE to newer than 10.95.210.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mc-works64

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mc-works64

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-33320?

genesis64: downgrade or apply the listed mitigation; mc works64: upgrade to newer than 10.95.210.01. Exact commands for each OS are on this page.

Is CVE-2022-33320 being exploited?

CVE-2022-33320 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-2022-33320 affect?

CVE-2022-33320 affects genesis64, mc works64. Severity is high (CVSS 7.8). Deserialization of Untrusted Data vulnerability in Mitsubishi Electric GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97 to 10.97.1, Mitsubishi Electric ICONICS Suite versions 10.97

How urgent is CVE-2022-33320?

Priority 37/100. High severity

Software pages

Mitsubishi Electric vulnerabilities

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References

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