CVE-2022-20766

Summary

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.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Analog Telephone Adaptor (ATA) Software2.16(1)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software2.16(2)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software2.1(6)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software2.14affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.2(0)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.1(4)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software2.1(5)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.2(1)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software2.15affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.0(0)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.34affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.1(1)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.2(4)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.0(0)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.2(3)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.1(0)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software3.1(2)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.2.1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.2.2affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.2.2 SR1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.1.2affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.1.0affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.1.1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software9.0(3)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software9.2(3)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software9.2(1)affected
CiscoCisco Analog Telephone Adaptor (ATA) Software12.0.1 SR2affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.1.0affected
CiscoCisco Analog Telephone Adaptor (ATA) Software12.0.1 SR1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.1.0 MSR1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software12.0.1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.1.0 MSR2affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.1.0 MSR3affected
CiscoCisco Analog Telephone Adaptor (ATA) Software1.2.2 SR2affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.1.0 MSR4affected
CiscoCisco Analog Telephone Adaptor (ATA) Software12.0.1 SR3affected
CiscoCisco Analog Telephone Adaptor (ATA) Software11.2.1affected
CiscoCisco Analog Telephone Adaptor (ATA) Software12.0.1 SR4affected

Weaknesses

  • CWE-125: Out-of-bounds Read

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References