What’s Vulnerable › Vulnerabilities

CVE-2023-37862: PHOENIX CONTACT: Missing Authorization in WP 6xxx Web panels

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-862

Description

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an unauthenticated remote attacker can access upload-functions of the HTTP API. This might cause certificate errors for SSL-connections and might result in a partial denial-of-service.

Affected products

• Phoenixcontact Wp 6070-Wvps Firmware: before 4.0.10 — fixed in 4.0.10
• Phoenixcontact Wp 6101-Wxps Firmware: before 4.0.10 — fixed in 4.0.10
• Phoenixcontact Wp 6121-Wxps Firmware: before 4.0.10 — fixed in 4.0.10
• Phoenixcontact Wp 6156-Whps Firmware: before 4.0.10 — fixed in 4.0.10
• Phoenixcontact Wp 6185-Whps Firmware: before 4.0.10 — fixed in 4.0.10
• Phoenixcontact Wp 6215-Whps Firmware: before 4.0.10 — fixed in 4.0.10

How to fix

Upgrade to a fixed version: Phoenixcontact Wp 6070-Wvps Firmware 4.0.10; Phoenixcontact Wp 6101-Wxps Firmware 4.0.10; Phoenixcontact Wp 6121-Wxps Firmware 4.0.10; Phoenixcontact Wp 6156-Whps Firmware 4.0.10; Phoenixcontact Wp 6185-Whps Firmware 4.0.10; Phoenixcontact Wp 6215-Whps Firmware 4.0.10. Check the vendor advisory for mitigations.

References

• https://cert.vde.com/en/advisories/VDE-2023-018/
• https://cert.vde.com/en/advisories/VDE-2023-018/

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