CVE-2026-33277: Improper neutralization of special elements used in an OS command ('OS Command Injection') in Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer
An OS command Injection issue exists in LogonTracer prior to v2.0.0. An arbitrary OS command may be executed by a logged-in user.
AI Analysis
Technical Summary
An OS command injection vulnerability exists in Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer before version 2.0.0. The issue arises from improper neutralization of special elements used in OS commands, enabling a logged-in user to execute arbitrary OS commands. The vulnerability is rated high severity with a CVSS 3.0 score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). No official remediation or patch information is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation allows a logged-in user to execute arbitrary OS commands, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. This can result in unauthorized system control or data manipulation. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to trusted users only and monitor for suspicious activity related to command execution within LogonTracer. Avoid running vulnerable versions in untrusted environments.
CVE-2026-33277: Improper neutralization of special elements used in an OS command ('OS Command Injection') in Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer
Description
An OS command Injection issue exists in LogonTracer prior to v2.0.0. An arbitrary OS command may be executed by a logged-in user.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An OS command injection vulnerability exists in Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer before version 2.0.0. The issue arises from improper neutralization of special elements used in OS commands, enabling a logged-in user to execute arbitrary OS commands. The vulnerability is rated high severity with a CVSS 3.0 score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). No official remediation or patch information is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation allows a logged-in user to execute arbitrary OS commands, potentially leading to full compromise of confidentiality, integrity, and availability of the affected system. This can result in unauthorized system control or data manipulation. There are no known active exploits reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to trusted users only and monitor for suspicious activity related to command execution within LogonTracer. Avoid running vulnerable versions in untrusted environments.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-04-21T23:51:22.704Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69eeaaaaba26a39fba9c68be
Added to database: 4/27/2026, 12:15:38 AM
Last enriched: 4/27/2026, 12:30:12 AM
Last updated: 4/27/2026, 1:37:54 AM
Views: 5
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