Remote Code Execution Vulnerability in Cisco ATA 190 Series Analog Telephone Adapter
CVE-2022-20687

5.3MEDIUM

Key Information:

Vendor
Cisco
Status
Cisco Analog Telephone Adaptor (ata) Software
Vendor
CVE Published:
12 December 2022

Badges

👾 Exploit Exists

Summary

Multiple vulnerabilities found in the Link Layer Discovery Protocol functionality of Cisco's ATA 190 Series Analog Telephone Adapter firmware could enable an unauthenticated attacker to send specially crafted LLDP packets to the affected devices. These vulnerabilities revolve around the insufficient validation of packet header lengths, allowing attackers to execute arbitrary code on the device. The result may include unexpected restarts of the LLDP service and potential denial of service conditions, compromising the integrity and availability of communication systems.

Affected Version(s)

Cisco Analog Telephone Adaptor (ATA) Software 1.2.1

Cisco Analog Telephone Adaptor (ATA) Software 1.2.2 SR1

Cisco Analog Telephone Adaptor (ATA) Software 1.2.2

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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