7.2
CWE
798
Advisory Published
Updated

CVE-2023-37857: PHOENIX CONTACT: Use of Hard-coded Credentials in WP 6xxx Web panels

First published: Wed Aug 09 2023(Updated: )

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Phoenixcontact Wp 6070-wvps<4.0.10
Phoenixcontact Wp 6070-wvps Firmware
Phoenixcontact Wp 6101-wxps<4.0.10
Phoenixcontact Wp 6101-wxps Firmware
Phoenixcontact Wp 6121-wxps<4.0.10
Phoenixcontact Wp 6121-wxps Firmware
Phoenixcontact Wp 6156-whps<4.0.10
Phoenixcontact Wp 6156-whps Firmware
Phoenixcontact Wp 6185-whps<4.0.10
Phoenixcontact Wp 6185-whps Firmware
Phoenixcontact Wp 6215-whps<4.0.10
Phoenixcontact Wp 6215-whps Firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2023-37857?

    CVE-2023-37857 is a vulnerability in PHOENIX CONTACT's WP 6xxx series web panels that allows an authenticated remote attacker with admin privileges to read hardcoded cryptographic keys and create valid session cookies.

  • How severe is CVE-2023-37857?

    CVE-2023-37857 has a severity rating of 7.2 (high).

  • Which versions of PHOENIX CONTACT's WP 6xxx series web panels are affected by CVE-2023-37857?

    Versions prior to 4.0.10 of PHOENIX CONTACT's WP 6xxx series web panels are affected by CVE-2023-37857.

  • How can an attacker exploit CVE-2023-37857?

    An attacker with admin privileges can exploit CVE-2023-37857 to read hardcoded cryptographic keys and create valid session cookies, potentially bypassing web service authentication.

  • Is there a fix for CVE-2023-37857?

    Updating PHOENIX CONTACT's WP 6xxx series web panels to version 4.0.10 or later will fix CVE-2023-37857.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203