HOMEVULNERABILITIESCVE-2023-4463
HIGH

CVE-2023-4463

CWE-404Published: December 29, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-4463 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

poly8 product(s)
ccx 400 firmwareccx 400ccx 600 firmwareccx 600trio 8800 firmwaretrio 8800trio c60 firmwaretrio c60
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://vuldb.com/?id.249256
ADVISORYhttps://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products/
ADVISORYhttps://vuldb.com/?id.249256

All References (11)

→
https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.htmlNot Applicable
→
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
→
https://modzero.com/en/advisories/mz-23-01-poly-voip/
→
https://vuldb.com/?ctiid.249256Permissions Required
→
https://vuldb.com/?id.249256Third Party Advisory
→
https://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products/Exploit · Third Party Advisory
→
https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.htmlNot Applicable
→
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
→
https://modzero.com/en/advisories/mz-23-01-poly-voip/
→
https://vuldb.com/?ctiid.249256Permissions Required
→
https://vuldb.com/?id.249256Third Party Advisory

Quick Facts

CVE IDCVE-2023-4463
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-404
CISA KEVNo
Affected1 vendor(s)
PublishedDec 29, 2023

Related CVEs (CWE-404)

CVE-2026-1173
9.8
CVE-2023-24444
9.8
CVE-2025-5867
9.8
CVE-2018-8450
8.8
CVE-2026-11317
8.7
CVE-2023-20042
8.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-4463 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2023-4463·NVD