CVE-2023-37856 — In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 a remote attacker with low privileges is able to gain limited read-access to the device-filesystem through a configuration dialog within the embedded Qt browser .

01What is this vulnerability?

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 a remote attacker with low privileges is able to gain limited read-access to the device-filesystem through a configuration dialog within the embedded Qt browser .

02Affected products

Vendor	Product	Versions
PHOENIX CONTACT	WP 6070	WVPS — 0
PHOENIX CONTACT	WP 6101	WXPS — 0
PHOENIX CONTACT	WP 6121	WXPS — 0
PHOENIX CONTACT	WP 6156	WHPS — 0
PHOENIX CONTACT	WP 6185	WHPS — 0
PHOENIX CONTACT	WP 6215	WHPS — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-09T06:36:49.331Z
• Last modified: 2024-10-08T15:03:25.682Z

09References

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