CVE-2021-34795

Katalog CVE

CVSS 9.8 · Critical EPSS 1,7%

Kerentanan Improper Access Control pada cisco catalyst pon switch cgp-ont-1p firmware, cisco catalyst pon switch cgp-ont-4p firmware +3 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

4 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-284: Improper Access Control
CWE-1188: Initialization of a Resource with an Insecure Default

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 77,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr patch · advisory vendor