by Kastro
Paper/Archive/CVE-2021-34795

CVE-2021-34795

Cisco Cisco Catalyst PON Series — Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities

EPSS 2%CVSS 10.0
critical.is priorityof 100
46
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 77.8.778 × 2015.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Cisco Catalyst PON Seriesn/a–CNA

Scores by source

cisco (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorytools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr