CVE-2023-4463 — A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Tr

A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This vulnerability affects unknown code of the component HTTP Header Handler. The manipulation of the argument Cookie leads to denial of service. The attack can be initiated remo

01What is this vulnerability?

A vulnerability classified as problematic was found in Poly CCX 400, CCX 600, Trio 8800 and Trio C60. This vulnerability affects unknown code of the component HTTP Header Handler. The manipulation of the argument Cookie leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249256.

02Affected products

Vendor	Product	Versions
Poly	CCX 400	n/a
Poly	CCX 600	n/a
Poly	Trio 8800	n/a
Poly	Trio C60	n/a

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: 2023-12-29T09:37:55.980Z
• Last modified: 2024-08-02T07:31:05.440Z

09References

• vuldb.com — https://vuldb.com/?id.249256
• vuldb.com — https://vuldb.com/?ctiid.249256
• modzero.com — https://modzero.com/en/advisories/mz-23-01-poly-voip/
• github.com — https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
• fahrplan.events.ccc.de — https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html