CVE-2021-40112

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
10 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
ciscoCNA
10 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
ciscocatalyst_pon_switch_cgp-ont-1p_firmware
𝑥
< 1.1.1.14
ciscocatalyst_pon_switch_cgp-ont-4p_firmware
𝑥
< 1.1.3.17
ciscocatalyst_pon_switch_cgp-ont-4pvc_firmware
𝑥
< 1.1.3.17
ciscocatalyst_pon_switch_cgp-ont-4tvcw_firmware
𝑥
< 1.1.3.17
ciscocatalyst_pon_switch_cgp-ont-4pv_firmware
𝑥
< 1.1.3.17
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catpon-multivulns-CE3DSYGr