CVE-2026-2944

MEDIUMCVSS 5.5/10EPSS 3.74%

Last modified

CVE-2026-2944 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. EPSS estimates a 3.74% chance of exploitation in the next 30 days.

Description

A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0
5.5/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
3.74%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Tosei-CorporationOnline Store Management System1.01

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-2944?
A security flaw has been discovered in Tosei Online Store Management System ネット店舗管理システム 1.01. Affected is the function system of the file /cgi-bin/monitor.php of the component HTTP POST Request Handler. Performing a manipulation of the argument DevId results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-2944?
CVE-2026-2944 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 3.74% probability of exploitation in the next 30 days.
How do I fix CVE-2026-2944?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2944?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST