How severe is CVE-2023-28611?

CVE-2023-28611 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-2023-28611 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28611?

CVE-2023-28611 primarily affects Omicronenergy Stationguard. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28611?

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-2023-28611 published?

CVE-2023-28611 was published on 2023-03-23 and last updated on 2026-06-17.

CVE-2023-28611

CVE-2023-28611 is a critical-severity vulnerability in Omicronenergy Stationguard 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Omicronenergy Stationguard
Published: 2023-03-23
Last modified: 2026-06-17

Description

Incorrect authorization in OMICRON StationGuard 1.10 through 2.20 and StationScout 1.30 through 2.20 allows an attacker to bypass intended access restrictions.

Frequently asked questions

What is CVE-2023-28611?: Incorrect authorization in OMICRON StationGuard 1.10 through 2.20 and StationScout 1.30 through 2.20 allows an attacker to bypass intended access restrictions.
How severe is CVE-2023-28611?: CVE-2023-28611 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-2023-28611 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28611?: CVE-2023-28611 primarily affects Omicronenergy Stationguard. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28611?: 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-2023-28611 published?: CVE-2023-28611 was published on 2023-03-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:omicronenergy:stationguard:*:*:*:*:*:*:*:*
cpe:2.3:a:omicronenergy:stationscout:*:*:*:*:*:*:*:*

More vulnerabilities in Omicronenergy Stationguard

CVE-2023-28610 — Critical (CVSS 9.8): The update process in OMICRON StationGuard and OMICRON StationScout before 2.21 can be exploited by providing a…
CVE-2021-30464 — High (CVSS 7.5): OMICRON StationGuard before 1.10 allows remote attackers to cause a denial of service (connectivity outage) via crafted…

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