High severity · published Dec 29, 2023
CVE-2023-4463
Poly CCX 400/CCX 600/Trio 8800/Trio C60 HTTP Header denial of service
7.5
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C4
CCX 400 · Poly
All versions, or not specified · source: vendor
C6
CCX 600 · Poly
All versions, or not specified · source: vendor
T8
Trio 8800 · Poly
All versions, or not specified · source: vendor
TC
Trio C60 · Poly
All versions, or not specified · source: vendor
C4
Ccx 400 Firmware · Poly
All versions, or not specified · source: NVD
C6
Ccx 600 Firmware · Poly
All versions, or not specified · source: NVD
T8
Trio 8800 Firmware · Poly
All versions, or not specified · source: NVD
TC
Trio C60 Firmware · Poly
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4463
Not Applicable
https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html
github.com
https://github.com/modzero/MZ-23-01-Poly-VoIP-Devices
modzero.com
https://modzero.com/en/advisories/mz-23-01-poly-voip/
Permissions Required
https://vuldb.com/?ctiid.249256
Third Party Advisory
https://vuldb.com/?id.249256
Exploit
https://modzero.com/en/blog/multiple-vulnerabilities-in-poly-products/
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