CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
100.0%
A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes Telnet internally as a signaling and command protocol between cluster members. The vulnerability is due to the combination of two factors: (1) the failure to restrict the use of CMP-specific Telnet options only to internal, local communications between cluster members and instead accept and process such options over any Telnet connection to an affected device; and (2) the incorrect processing of malformed CMP-specific Telnet options. An attacker could exploit this vulnerability by sending malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections. An exploit could allow an attacker to execute arbitrary code and obtain full control of the device or cause a reload of the affected device. This affects Catalyst switches, Embedded Service 2020 switches, Enhanced Layer 2 EtherSwitch Service Module, Enhanced Layer 2/3 EtherSwitch Service Module, Gigabit Ethernet Switch Module (CGESM) for HP, IE Industrial Ethernet switches, ME 4924-10GE switch, RF Gateway 10, and SM-X Layer 2/3 EtherSwitch Service Module. Cisco Bug IDs: CSCvd48893.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | catalyst_2350-48td-s | - | cpe:2.3:h:cisco:catalyst_2350-48td-s:-:*:*:*:*:*:*:* |
cisco | catalyst_2350-48td-sd | - | cpe:2.3:h:cisco:catalyst_2350-48td-sd:-:*:*:*:*:*:*:* |
cisco | catalyst_2360-48td-s | - | cpe:2.3:h:cisco:catalyst_2360-48td-s:-:*:*:*:*:*:*:* |
cisco | catalyst_2918-24tc-c | - | cpe:2.3:h:cisco:catalyst_2918-24tc-c:-:*:*:*:*:*:*:* |
cisco | catalyst_2918-24tt-c | - | cpe:2.3:h:cisco:catalyst_2918-24tt-c:-:*:*:*:*:*:*:* |
cisco | catalyst_2918-48tc-c | - | cpe:2.3:h:cisco:catalyst_2918-48tc-c:-:*:*:*:*:*:*:* |
cisco | catalyst_2918-48tt-c | - | cpe:2.3:h:cisco:catalyst_2918-48tt-c:-:*:*:*:*:*:*:* |
cisco | catalyst_2928-24tc-c | - | cpe:2.3:h:cisco:catalyst_2928-24tc-c:-:*:*:*:*:*:*:* |
cisco | catalyst_2960-24-s | - | cpe:2.3:h:cisco:catalyst_2960-24-s:-:*:*:*:*:*:*:* |
cisco | catalyst_2960-24lc-s | - | cpe:2.3:h:cisco:catalyst_2960-24lc-s:-:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
100.0%