CVEvulnerability

CVE-2021-40112

7.5 HIGH Published 2021-11-04 Modified 2026-06-17 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])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
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)

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References