CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NCVE-2021-40112
High (7.5) in cisco. EPSS 1.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
- CWE
- CWE-284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:catalyst_pon_switch_cgp-ont-1p_firmware
- cisco:catalyst_pon_switch_cgp-ont-4p_firmware
- cisco:catalyst_pon_switch_cgp-ont-4pv_firmware
- cisco:catalyst_pon_switch_cgp-ont-4pvc_firmware
- cisco:catalyst_pon_switch_cgp-ont-4tvcw_firmware