How severe is CVE-2023-0452?

CVE-2023-0452 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0452?

CVE-2023-0452 affects Econolite Eos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0452?

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

When was CVE-2023-0452 published?

CVE-2023-0452 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-0452

CVE-2023-0452 is a critical-severity vulnerability in Econolite Eos with a CVSS 3.x base score of 9.8. 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-328.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-328
Affected product: Econolite Eos
Published: 2023-01-26
Last modified: 2026-06-17

Description

Econolite EOS versions prior to 3.2.23 use a weak hash algorithm for encrypting privileged user credentials. A configuration file that is accessible without authentication uses MD5 hashes for encrypting credentials, including those of administrators and technicians.

Frequently asked questions

What is CVE-2023-0452?: Econolite EOS versions prior to 3.2.23 use a weak hash algorithm for encrypting privileged user credentials. A configuration file that is accessible without authentication uses MD5 hashes for encrypting credentials, including those of administrators and technicians.
How severe is CVE-2023-0452?: CVE-2023-0452 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0452?: CVE-2023-0452 affects Econolite Eos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-0452 published?: CVE-2023-0452 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:*:*:*:*:*:*:*:*

More vulnerabilities in Econolite Eos

CVE-2023-0451 — High (CVSS 7.5): Econolite EOS versions prior to 3.2.23 lack a password requirement for gaining “READONLY” access to log files and…

All CVEs affecting Econolite Eos →

Other CWE-328 vulnerabilities

CVE-2026-36182 — Critical (CVSS 9.8): GNCC GP5 v7.1.76 was discovered to utilize a weak hashing algorithm to protect the root password, possibly allowing…
CVE-2020-37168 — Critical (CVSS 9.8): Ecommerce Systempay 1.0 contains a weak cryptographic implementation vulnerability that allows attackers to brute force…
CVE-2025-41652 — Critical (CVSS 9.8): The devices are vulnerable to an authentication bypass due to flaws in the authorization mechanism. An unauthenticated…
CVE-2025-27595 — Critical (CVSS 9.8): The device uses a weak hashing alghorithm to create the password hash. Hence, a matching password can be easily…
CVE-2022-45141 — Critical (CVSS 9.8): Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and…
CVE-2024-54143 — Critical (CVSS 9.3): openwrt/asu is an image on demand server for OpenWrt based distributions. The request hashing mechanism truncates…

Browse all CWE-328 vulnerabilities →