How severe is CVE-2023-27394?

CVE-2023-27394 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-2023-27394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27394?

CVE-2023-27394 affects Propumpservice Osprey Pump Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27394?

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-2023-27394 published?

CVE-2023-27394 was published on 2023-03-28 and last updated on 2026-06-17.

CVE-2023-27394

CVE-2023-27394 is a critical-severity vulnerability in Propumpservice Osprey Pump Controller Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Propumpservice Osprey Pump Controller Firmware
Published: 2023-03-28
Last modified: 2026-06-17

Description

Osprey Pump Controller version 1.01 is vulnerable an unauthenticated OS command injection vulnerability. This can be exploited to inject and execute arbitrary shell commands through a HTTP GET parameter called by DataLogView.php, EventsView.php and AlarmsView.php scripts.

Frequently asked questions

What is CVE-2023-27394?: Osprey Pump Controller version 1.01 is vulnerable an unauthenticated OS command injection vulnerability. This can be exploited to inject and execute arbitrary shell commands through a HTTP GET parameter called by DataLogView.php, EventsView.php and AlarmsView.php scripts.
How severe is CVE-2023-27394?: CVE-2023-27394 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-2023-27394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27394?: CVE-2023-27394 affects Propumpservice Osprey Pump Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27394?: 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-2023-27394 published?: CVE-2023-27394 was published on 2023-03-28 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-082-06

Affected products (1)

cpe:2.3:o:propumpservice:osprey_pump_controller_firmware:1.01:*:*:*:*:*:*:*

More vulnerabilities in Propumpservice Osprey Pump Controller Firmware

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CVE-2023-27886 — Critical (CVSS 9.8): Osprey Pump Controller version 1.01 is vulnerable to an unauthenticated OS command injection vulnerability. This can be…
CVE-2023-28395 — High (CVSS 8.3): Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted…
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CVE-2023-28648 — High (CVSS 7.5): Osprey Pump Controller version 1.01 inputs passed to a GET parameter are not properly sanitized before being returned…

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