Vulnerability Description
A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ip Conference Phone 7832 Firmware | < 14.1\(1\) |
| Cisco | Ip Conference Phone 7832 | - |
| Cisco | Ip Conference Phone 8832 Firmware | < 14.1\(1\) |
| Cisco | Ip Conference Phone 8832 | - |
| Cisco | Ip Phone 7811 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 7811 | - |
| Cisco | Ip Phone 7821 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 7821 | - |
| Cisco | Ip Phone 7832 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 7832 | - |
| Cisco | Ip Phone 7841 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 7841 | - |
| Cisco | Ip Phone 7861 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 7861 | - |
| Cisco | Ip Phone 8811 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 8811 | - |
| Cisco | Ip Phone 8831 Firmware | < 14.1\(1\) |
| Cisco | Ip Phone 8831 | - |
| Cisco | Ip Phones 8832 Firmware | < 14.1\(1\) |
| Cisco | Ip Phones 8832 | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory
FAQ
What is CVE-2021-34711?
CVE-2021-34711 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input v...
How severe is CVE-2021-34711?
CVE-2021-34711 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34711?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ip Conference Phone 7832 Firmware, Cisco Ip Conference Phone 7832, Cisco Ip Conference Phone 8832 Firmware, Cisco Ip Conference Phone 8832, Cisco Ip Phone 7811 Firmware.