CVE-2023-20047

🗓️ 19 Jan 2023 01:36:07Reported by ciscoType

A vulnerability in Cisco Webex Room Phone and Cisco Webex Share devices could allow an unauthenticated attacker to cause a denial of service condition due to insufficient resource allocation

Reporter	Title	Published	Views	Family All 11
BDU FSTEC	Cisco Webex Room Phone LLDP Memory Leak DoS	3 Feb 202300:00	–	bdu_fstec
Cisco	Cisco Webex Room Phone and Cisco Webex Share Link Layer Discovery Protocol Memory Leak Vulnerability	11 Jan 202316:00	–	cisco
CNNVD	Cisco Webex security vulnerabilities	12 Jan 202300:00	–	cnnvd
Cvelist	CVE-2023-20047	19 Jan 202301:36	–	cvelist
EUVD	EUVD-2023-24226	3 Oct 202520:07	–	euvd
NVD	CVE-2023-20047	20 Jan 202307:15	–	nvd
osv_cve	CVE-2023-20047	20 Jan 202307:15	–	osv_cve
Prion	Design/Logic Flaw	20 Jan 202307:15	–	prion
Positive Technologies	PT-2023-1278 · Cisco · Cisco Webex Room Phone +1	11 Jan 202300:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2023-20047: Uncontrolled Resource Consumption	19 Jan 202300:00	–	rapid7

NVD

Node

AND

cisco webex_room_phone_firmwareRange≤1.2.0

cisco webex_room_phoneMatch-

Node

AND

cisco webex_share_firmwareRange≤1.2.0

cisco webex_shareMatch-

Node

cisco sip_ip_phone_softwareRange≤1.2.0

[
  {
    "vendor": "Cisco",
    "product": "Cisco Webex Room Phone",
    "versions": [
      {
        "version": "RoomPhone 1.1.0",
        "status": "affected"
      },
      {
        "version": "RoomPhone 1.2.0",
        "status": "affected"
      },
      {
        "version": "RoomPhone 1.2.0SR1",
        "status": "affected"
      },
      {
        "version": "RoomPhone 1.2.0SR2",
        "status": "affected"
      }
    ]
  }
]

Source	Link
sec	www.sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lldp-memlk-McOecPT

17 Jun 2026 05:29Current

6.5Medium risk

Vulners AI Score6.5

CVSS 3.16.5

EPSS0.00304