How severe is CVE-2023-0451?

CVE-2023-0451 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-0451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0451?

CVE-2023-0451 affects Econolite Eos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-0451 published?

CVE-2023-0451 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-0451

CVE-2023-0451 is a high-severity vulnerability in Econolite Eos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Econolite Eos
Published: 2023-01-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-0451?: 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.
How severe is CVE-2023-0451?: CVE-2023-0451 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-0451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0451?: CVE-2023-0451 affects Econolite Eos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-0451 published?: CVE-2023-0451 was published on 2023-01-26 and last updated on 2026-06-17.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-23-026-02

Affected products (1)

cpe:2.3:a:econolite:eos:*:*:*:*:*:*:*:*

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