CVE-2023-0451: Econolite EOS versions prior to 3.2.23 lack a password requirement for gaining “READONLY” access to log files

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HIGH 7.5REMOTEMITIGATE

CVE-2023-0451 is a high-severity flaw (CVSS 7.5) affecting eos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Econolite EOS versions prior to 3.2.23 lack a password requirement for gaining “READONLY” access to log files and certain database and configuration files. One such file contains tables with MD5 hashes and usernames for all defined users in the control software, including administrators and technicians.

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	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-01-26
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: econolite

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

Am I affected?

Timeline

2023-01-26 21:18 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

econolite eos MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2023-0451?

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

Is CVE-2023-0451 being exploited?

CVE-2023-0451 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-2023-0451 affect?

CVE-2023-0451 affects eos. Severity is high (CVSS 7.5). Econolite EOS versions prior to 3.2.23 lack a password requirement for gaining “READONLY” access to log files and certain database and configuration files. One such file contains tables with MD5 hashes and usernames for all defined users in

How urgent is CVE-2023-0451?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

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References

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