How severe is CVE-2023-27886?

CVE-2023-27886 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-2023-27886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27886?

CVE-2023-27886 affects Propumpservice Osprey Pump Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27886?

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-2023-27886 published?

CVE-2023-27886 was published on 2023-03-28 and last updated on 2026-06-17.

CVE-2023-27886

CVE-2023-27886 is a critical-severity vulnerability in Propumpservice Osprey Pump Controller Firmware 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th 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 to an unauthenticated OS command injection vulnerability. This can be exploited to inject and execute arbitrary shell commands through a HTTP POST parameter called by index.php script.

Frequently asked questions

What is CVE-2023-27886?: Osprey Pump Controller version 1.01 is vulnerable to an unauthenticated OS command injection vulnerability. This can be exploited to inject and execute arbitrary shell commands through a HTTP POST parameter called by index.php script.
How severe is CVE-2023-27886?: CVE-2023-27886 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-2023-27886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27886?: CVE-2023-27886 affects Propumpservice Osprey Pump Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27886?: 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-2023-27886 published?: CVE-2023-27886 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

CVE-2023-28654 — Critical (CVSS 9.8): Osprey Pump Controller version 1.01 has a hidden administrative account that has the hardcoded password that allows…
CVE-2023-28398 — Critical (CVSS 9.8): Osprey Pump Controller version 1.01 could allow an unauthenticated user to create an account and bypass authentication,…
CVE-2023-27394 — Critical (CVSS 9.8): Osprey Pump Controller version 1.01 is vulnerable 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…
CVE-2023-28712 — High (CVSS 8.2): Osprey Pump Controller version 1.01 contains an unauthenticated command injection vulnerability that could allow system…
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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