CVE-2024-28137 PHOENIX CONTACT: privilege escalation due to a TOCTOU vulnerability in the CHARX Series
A local attacker with low privileges can escalate privileges via a TOCTOU vulnerability in an init script on PHOENIX CONTACT CHARX devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-28137?
CVE-2024-28137 is a high-severity vulnerability in PHOENIX CONTACT CHARX SEC-3000, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A local attacker with low privileges can perform a privilege escalation with an init script due to a TOCTOU vulnerability.
Weakness: CWE-367
Which versions are affected by CVE-2024-28137?
It affects 4 products.
Products include Phoenixcontact Charx Sec-3000 Firmware, Phoenixcontact Charx Sec-3050 Firmware, Phoenixcontact Charx Sec-3100 Firmware, Phoenixcontact Charx Sec-3150 Firmware.
How do I fix CVE-2024-28137?
No fix has been published for CVE-2024-28137 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-28137 being exploited?
There is no known exploitation of CVE-2024-28137 in the wild and no public exploit code.
Other vulnerabilities in PHOENIX CONTACT CHARX SEC-3000
- CVE-2025-25270 Remote Code Execution via Unauthenticated Configuration Manipulation
- CVE-2024-25995 PHOENIX CONTACT: Remote code execution in CHARX Series
- CVE-2025-25268 Unauthenticated Configuration Access via Exposed API Endpoint
- CVE-2025-25271 OCPP Backend Configuration via Insecure Defaults
- CVE-2024-26288 PHOENIX CONTACT: Lack of SSL support in CHARX Series
Sources
Also known as GHSA-9jcm-v2gm-fpx9.