PT-2023-1105 · Cisco · Cisco Ip Phone 8800 Series+1

Published 2023-01-11 · Updated 2024-01-25 · CVE-2023-20018

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:N/C:C/I:P/A:P

Name of the Vulnerable Software and Affected Versions Cisco IP Phone 7800 and 8800 Series Phones (affected versions not specified)

Description A vulnerability in the web-based management interface could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This issue is due to insufficient validation of user-supplied input. An attacker could exploit this by sending a crafted request to the web-based management interface, potentially accessing certain parts of the web interface that would normally require authentication.

Recommendations For Cisco IP Phone 7800 and 8800 Series Phones, consider restricting access to the web-based management interface until a fix is available. As a temporary workaround, consider implementing additional authentication measures or access controls to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Improper Authentication

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-863

CWE-287

CWE-288

Related Identifiers

BDU:2023-00299

CVE-2023-20018

Affected Products

Cisco Ip Phone 7800 Series

Cisco Ip Phone 8800 Series

References · 5

• https://osv.dev/vulnerability/CVE-2023-20018 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20018 · Security Note
• https://bdu.fstec.ru/vul/2023-00299 · Security Note
• https://vuldb.com/ru/?id.218030 · Note