Command Injection in Cisco Systems, Inc products - CVE-2021-40113
Published: November 4, 2021
Vulnerability identifier: #VU57961
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40113
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Catalyst PON Switch CGP-ONT-1P
Catalyst PON Switch CGP-ONT-4P
Catalyst PON Switch CGP-ONT-4PV
Catalyst PON Switch CGP-ONT-4PVC
Catalyst PON Switch CGP-ONT-4TVCW
Catalyst PON Switch CGP-ONT-4P
Catalyst PON Switch CGP-ONT-4PV
Catalyst PON Switch CGP-ONT-4PVC
Catalyst PON Switch CGP-ONT-4TVCW
How to mitigate CVE-2021-40113
Install updates from vendor's website.
Catalyst PON Switch CGP-ONT-1P - update to 1.1.1.14
Catalyst PON Switch CGP-ONT-4P - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4PV - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4PVC - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4TVCW - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4P - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4PV - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4PVC - update to 1.1.3.17
Catalyst PON Switch CGP-ONT-4TVCW - update to 1.1.3.17