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CVE-2022-20688

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 Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and cause Cisco Discovery Protocol service to restart.<br /> This vulnerability is due to missing length validation of certain Cisco Discovery Protocol packet header fields. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to execute code on the affected device and cause Cisco Discovery Protocol to restart unexpectedly, resulting in a DoS condition.

Impact

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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

Base Score 3.x
5.30
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