CVE-2022-30275: The Motorola MOSCAD Toolbox software through 2022-05-02 relies on a cleartext password

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HIGH 7.5REMOTEDOWNGRADE

CVE-2022-30275 is a high-severity flaw (CVSS 7.5) affecting mdlc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Motorola MOSCAD Toolbox software through 2022-05-02 relies on a cleartext password. It utilizes an MDLC driver to communicate with MOSCAD/ACE RTUs for engineering purposes. Access to these communications is protected by a password stored in cleartext in the wmdlcdrv.ini driver configuration file. In addition, this password is used for access control to MOSCAD/STS projects protected with the Legacy Password feature. In this case, an insecure C

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-312
Published	2022-07-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: motorolasolutions

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

Am I affected?

Timeline

2022-07-26 22:15 UTCPublished CVE record published
2026-06-17 04:43 UTCUpdated Record last modified

motorolasolutions mdlc DOWNGRADE

Affected: 4.80.0024 · 4.82.004 · 4.83.001

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.80.0024

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.80.0024 (Debian / Ubuntu)

apt-cache madison mdlc sudo apt install mdlc=<VERSION_BEFORE_4.80.0024> sudo apt-mark hold mdlc

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

dnf --showduplicates list mdlc sudo dnf downgrade mdlc-<VERSION_BEFORE_4.80.0024> sudo dnf versionlock add mdlc

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.

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-2022-30275?

mdlc: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-30275 being exploited?

CVE-2022-30275 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-2022-30275 affect?

CVE-2022-30275 affects mdlc. Severity is high (CVSS 7.5). The Motorola MOSCAD Toolbox software through 2022-05-02 relies on a cleartext password. It utilizes an MDLC driver to communicate with MOSCAD/ACE RTUs for engineering purposes. Access to these communications is protected by a password store

How urgent is CVE-2022-30275?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-30273 CRITICAL 9.8 DOWNGRADE The Motorola MDLC protocol through 2022-05-02 mishandles message integrity

References

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