CVE-2023-27394: Osprey Pump Controller version 1.01 is vulnerable an unauthenticated OS command injection vulnerability

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2023-27394 is a critical-severity flaw (CVSS 9.8) affecting osprey pump controller firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	17.6% (top 3%)
CISA exploited list	No
Weakness	CWE-78
Published	2023-03-28
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: propumpservice

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-28 21:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

propumpservice osprey pump controller firmware MITIGATE

Affected: 1.01

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.01

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-27394?

osprey pump controller firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-27394 being exploited?

CVE-2023-27394 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-27394 affect?

CVE-2023-27394 affects osprey pump controller firmware. Severity is critical (CVSS 9.8). 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

How urgent is CVE-2023-27394?

Priority 64/100. Critical severity; EPSS top 3%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2023-28648 HIGH 7.5 MITIGATE Osprey Pump Controller version 1.01 inputs passed to a GET parameter are not properly sanitized before being r
CVE-2023-28398 CRITICAL 9.8 MITIGATE Osprey Pump Controller version 1.01 could allow an unauthenticated user to create an account and bypass authen

References

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