SARA / Free Tools / CVE / CVE-2023-20047

CVE-2023-20047 — A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco Web

A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco Webex Room Phone and Cisco Webex Share devices could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insuffici

CVSS
6.5 MEDIUM
EPSS
0.11% (top 71.30%)
CWE
CWE-400
Published
2023-01-19T01:36:07.348Z
Last modified
2024-08-02T08:57:35.638Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco Webex Room Phone and Cisco Webex Share devices could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient resource allocation. An attacker could exploit this vulnerability by sending crafted LLDP traffic to an affected…

02Affected products

VendorProductVersions
CiscoCisco Webex Room PhoneRoomPhone 1.1.0, RoomPhone 1.2.0, RoomPhone 1.2.0SR1, RoomPhone 1.2.0SR2

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

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

09References

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