Out-of-bounds read in Cisco Systems, Inc products - CVE-2022-20766
Published: October 6, 2022
Vulnerability identifier: #VU67966
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20766
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the Cisco Discovery Protocol functionality. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.
Affected software
ATA 190 Analog Telephone Adapter
ATA 191 Analog Telephone Adapter
ATA 192 Multiplatform Analog Telephone Adapter
ATA 191 Multiplatform Analog Telephone Adapter
ATA 191 Analog Telephone Adapter
ATA 192 Multiplatform Analog Telephone Adapter
ATA 191 Multiplatform Analog Telephone Adapter
How to mitigate CVE-2022-20766
Install updates from vendor's website.
ATA 191 Analog Telephone Adapter - update to 12.0(1)SR5
ATA 192 Multiplatform Analog Telephone Adapter - update to 11.2.2
ATA 191 Multiplatform Analog Telephone Adapter - update to 11.2.2
ATA 192 Multiplatform Analog Telephone Adapter - update to 11.2.2
ATA 191 Multiplatform Analog Telephone Adapter - update to 11.2.2