How severe is CVE-2023-3267?

CVE-2023-3267 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-3267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3267?

CVE-2023-3267 affects Cyberpower Powerpanel Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3267?

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-2023-3267 published?

CVE-2023-3267 was published on 2023-08-14 and last updated on 2026-06-17.

CVE-2023-3267

CVE-2023-3267 is a critical-severity vulnerability in Cyberpower Powerpanel Server with a CVSS 3.x base score of 9.1. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cyberpower Powerpanel Server
Published: 2023-08-14
Last modified: 2026-06-17

Description

When adding a remote backup location, an authenticated user can pass arbitrary OS commands through the username field. The username is passed without sanitization into CMD running as NT/Authority System. An authenticated attacker can leverage this vulnerability to execute arbitrary code with system-level access to the CyberPower PowerPanel Enterprise server.

Frequently asked questions

What is CVE-2023-3267?: When adding a remote backup location, an authenticated user can pass arbitrary OS commands through the username field. The username is passed without sanitization into CMD running as NT/Authority System. An authenticated attacker can leverage this vulnerability to execute arbitrary code with system-level access to the CyberPower PowerPanel Enterprise server.
How severe is CVE-2023-3267?: CVE-2023-3267 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-3267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3267?: CVE-2023-3267 affects Cyberpower Powerpanel Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3267?: 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-2023-3267 published?: CVE-2023-3267 was published on 2023-08-14 and last updated on 2026-06-17.

References

https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html

Affected products (1)

cpe:2.3:a:cyberpower:powerpanel_server:*:*:*:*:enterprise:*:*:*

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