PT-2021-4895 · Cisco · Cisco Ata 190 Series Analog Telephone Adapter

Published 2021-10-06 · Updated 2023-07-07 · CVE-2021-34735

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco ATA 190 Series Analog Telephone Adapter Software (affected versions not specified)

Description The issue is related to multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software. These vulnerabilities could allow an attacker to perform a command injection attack, resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. One of the vulnerabilities is associated with insufficient rate limiting when sending ICMP packets, which could be exploited by a remote attacker to cause a denial of service by sending ICMP packets.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Allocation of Resources Without Limits

Command Injection

Weakness Enumeration

CWE-770

CWE-77

Related Identifiers

BDU:2021-05630

CVE-2021-34735

Affected Products

Cisco Ata 190 Series Analog Telephone Adapter

References · 6

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-A4J57F3 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34735 · Security Note
• https://bdu.fstec.ru/vul/2021-05630 · Security Note
• https://t.me/cvenotify/22010 · Telegram Post
• https://t.me/cvenotify/22037 · Telegram Post
• https://t.me/cibsecurity/30109 · Telegram Post