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Medium severity · published Nov 15, 2024
CVE-2022-20766
Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco Discovery Protocol Denial of Service Vulnerability
5.3
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to an out-of-bounds read when processing Cisco Discovery Protocol packets. 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 a service restart.Cisco has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Cisco Analog Telephone Adaptor (ATA) Software · Cisco
2.16(1); 2.16(2); 2.1(6); 2.14; 3.2(0); 1.1(4); +32 more · source: vendor
A1
Ata 190 Firmware · Cisco
0 · source: CISA
Affected product
CA
Cisco Analog Telephone Adaptor (ATA) Software
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-20766
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-20766
sec.cloudapps.cisco.com
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-GEZYVvs
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