Vulnerability Description
A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ip Phone 7800 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7800 | - |
| Cisco | Ip Phone 7811 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7811 | - |
| Cisco | Ip Phone 7821 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7821 | - |
| Cisco | Ip Phone 7832 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7832 | - |
| Cisco | Ip Phone 7841 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7841 | - |
| Cisco | Ip Phone 7861 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 7861 | - |
| Cisco | Ip Phone 8800 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 8800 | - |
| Cisco | Ip Phone 8811 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 8811 | - |
| Cisco | Ip Phone 8821 Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 8821 | - |
| Cisco | Ip Phone 8821-Ex Firmware | < 14.1\(1\)sr2 |
| Cisco | Ip Phone 8821-Ex | - |
Related Weaknesses (CWE)
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
FAQ
What is CVE-2023-20018?
CVE-2023-20018 is a vulnerability with a CVSS score of 8.6 (HIGH). A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. T...
How severe is CVE-2023-20018?
CVE-2023-20018 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-20018?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ip Phone 7800 Firmware, Cisco Ip Phone 7800, Cisco Ip Phone 7811 Firmware, Cisco Ip Phone 7811, Cisco Ip Phone 7821 Firmware.