CVEvulnerability
CVE-2021-34795
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-11-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-1188, CWE-284
Description
Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.
Affected configurations
• cisco catalyst pon switch cgp-ont-1p firmware (< 1.1.1.14)
• cisco catalyst pon switch cgp-ont-4p firmware (< 1.1.3.17)
• cisco catalyst pon switch cgp-ont-4pvc firmware (< 1.1.3.17)
• cisco catalyst pon switch cgp-ont-4tvcw firmware (< 1.1.3.17)
• cisco catalyst pon switch cgp-ont-4pv firmware (< 1.1.3.17)