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CVE-2022-20691

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/12/2022
Last modified:
25/01/2024

Description

A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, adjacent attacker to cause a DoS condition of an affected device.<br /> This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust available memory and cause the service to restart.<br /> Cisco has released firmware updates that address this vulnerability. <br />

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ata_190_firmware:-:*:*:*:on-premises:*:*:*
cpe:2.3:h:cisco:ata_190:-:*:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:multiplatform:*:*:* 11.2.2 (excluding)
cpe:2.3:h:cisco:ata_191:-:*:*:*:multiplatform:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:on-premises:*:*:* 12.0.1 (excluding)
cpe:2.3:o:cisco:ata_191_firmware:12.0.1:-:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr1:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr2:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr3:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr4:*:*:on-premises:*:*:*
cpe:2.3:h:cisco:ata_191:-:*:*:*:on-premises:*:*:*
cpe:2.3:o:cisco:ata_192_firmware:*:*:*:*:multiplatform:*:*:* 11.2.2 (excluding)
cpe:2.3:h:cisco:ata_192:-:*:*:*:multiplatform:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools