CVE-2022-29578: Meridian Cooperative Utility Software versions 22.02 and 22.03 allows remote attackers to obtain sensitive inf

This month

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2022-29578 is a medium-severity flaw (CVSS 5.3) affecting meridian. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Meridian Cooperative Utility Software versions 22.02 and 22.03 allows remote attackers to obtain sensitive information such as name, address, and daily energy usage.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-287
Published	2022-06-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: meridian

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

Am I affected?

Timeline

2022-06-24 17:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

meridian meridian DOWNGRADE

Affected: 22.02 · 22.03

Fixed in: no fixed release known

Safe to downgrade to: a release before 22.02

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 22.02 (Debian / Ubuntu)

apt-cache madison meridian sudo apt install meridian=<VERSION_BEFORE_22.02> sudo apt-mark hold meridian

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

dnf --showduplicates list meridian sudo dnf downgrade meridian-<VERSION_BEFORE_22.02> sudo dnf versionlock add meridian

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-2022-29578?

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

Is CVE-2022-29578 being exploited?

CVE-2022-29578 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-2022-29578 affect?

CVE-2022-29578 affects meridian. Severity is medium (CVSS 5.3). Meridian Cooperative Utility Software versions 22.02 and 22.03 allows remote attackers to obtain sensitive information such as name, address, and daily energy usage.

How urgent is CVE-2022-29578?

Priority 40/100. Remotely exploitable, no login, no user action

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References

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