CVE-2022-48252: The jokob-sk/Pi.Alert fork (before 22.12.20) of Pi.Alert allows Remote Code Execution via nmap_scan.php (scan

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-48252 is a critical-severity flaw (CVSS 9.8) affecting pi.alert. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The jokob-sk/Pi.Alert fork (before 22.12.20) of Pi.Alert allows Remote Code Execution via nmap_scan.php (scan parameter) OS Command Injection.

Why this priority

Critical severity
Public exploit reference
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	2.8% (top 13%)
CISA exploited list	No
Weakness	CWE-78
Published	2023-01-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pi.alert project

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

Am I affected?

Timeline

2023-01-11 02:15 UTCPublished CVE record published
2026-06-17 05:14 UTCUpdated Record last modified

pi.alert project pi.alert DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy pi.alert || rpm -q pi.alert || pi.alert --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison pi.alert sudo apt install pi.alert=<VERSION_BEFORE_1.0> sudo apt-mark hold pi.alert

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pi.alert sudo dnf downgrade pi.alert-<VERSION_BEFORE_1.0> sudo dnf versionlock add pi.alert

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-48252?

pi.alert: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-48252 being exploited?

CVE-2022-48252 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-2022-48252 affect?

CVE-2022-48252 affects pi.alert. Severity is critical (CVSS 9.8). The jokob-sk/Pi.Alert fork (before 22.12.20) of Pi.Alert allows Remote Code Execution via nmap_scan.php (scan parameter) OS Command Injection.

How urgent is CVE-2022-48252?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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