CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
42.8%
A vulnerability in the Secure Shell (SSH) authentication process of Cisco Small Business Switches software could allow an attacker to bypass client-side certificate authentication and revert to password authentication. The vulnerability exists because OpenSSH mishandles the authentication process. An attacker could exploit this vulnerability by attempting to connect to the device via SSH. A successful exploit could allow the attacker to access the configuration as an administrative user if the default credentials are not changed. There are no workarounds available; however, if client-side certificate authentication is enabled, disable it and use strong password authentication. Client-side certificate authentication is disabled by default.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | sg200-50_firmware | * | cpe:2.3:o:cisco:sg200-50_firmware:*:*:*:*:*:*:*:* |
cisco | sg200-50 | - | cpe:2.3:h:cisco:sg200-50:-:*:*:*:*:*:*:* |
cisco | sg200-50p_firmware | * | cpe:2.3:o:cisco:sg200-50p_firmware:*:*:*:*:*:*:*:* |
cisco | sg200-50p | - | cpe:2.3:h:cisco:sg200-50p:-:*:*:*:*:*:*:* |
cisco | sg200-50fp_firmware | * | cpe:2.3:o:cisco:sg200-50fp_firmware:*:*:*:*:*:*:*:* |
cisco | sg200-50fp | - | cpe:2.3:h:cisco:sg200-50fp:-:*:*:*:*:*:*:* |
cisco | sg200-26_firmware | * | cpe:2.3:o:cisco:sg200-26_firmware:*:*:*:*:*:*:*:* |
cisco | sg200-26 | - | cpe:2.3:h:cisco:sg200-26:-:*:*:*:*:*:*:* |
cisco | sg200-26p_firmware | * | cpe:2.3:o:cisco:sg200-26p_firmware:*:*:*:*:*:*:*:* |
cisco | sg200-26p | - | cpe:2.3:h:cisco:sg200-26p:-:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
42.8%