CVE-2022-20940

Summary

A vulnerability in the TLS handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses SSL decryption policies. An attacker could exploit this vulnerability by sending crafted TLS messages to an affected device, which would act as an oracle and allow the attacker to carry out a chosen-ciphertext attack. A successful exploit could allow the attacker to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions to the affected device.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Threat Defense Software6.2.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.1affected
CiscoCisco Firepower Threat Defense Software6.2.3.2affected
CiscoCisco Firepower Threat Defense Software6.2.3.3affected
CiscoCisco Firepower Threat Defense Software6.2.3.4affected
CiscoCisco Firepower Threat Defense Software6.2.3.5affected
CiscoCisco Firepower Threat Defense Software6.2.3.6affected
CiscoCisco Firepower Threat Defense Software6.2.3.7affected
CiscoCisco Firepower Threat Defense Software6.2.3.8affected
CiscoCisco Firepower Threat Defense Software6.2.3.10affected
CiscoCisco Firepower Threat Defense Software6.2.3.11affected
CiscoCisco Firepower Threat Defense Software6.2.3.9affected
CiscoCisco Firepower Threat Defense Software6.2.3.12affected
CiscoCisco Firepower Threat Defense Software6.2.3.13affected
CiscoCisco Firepower Threat Defense Software6.2.3.14affected
CiscoCisco Firepower Threat Defense Software6.2.3.15affected
CiscoCisco Firepower Threat Defense Software6.2.3.16affected
CiscoCisco Firepower Threat Defense Software6.2.3.17affected
CiscoCisco Firepower Threat Defense Software6.2.3.18affected
CiscoCisco Firepower Threat Defense Software6.6.0affected
CiscoCisco Firepower Threat Defense Software6.6.0.1affected
CiscoCisco Firepower Threat Defense Software6.6.1affected
CiscoCisco Firepower Threat Defense Software6.6.3affected
CiscoCisco Firepower Threat Defense Software6.6.4affected
CiscoCisco Firepower Threat Defense Software6.6.5affected
CiscoCisco Firepower Threat Defense Software6.6.5.1affected
CiscoCisco Firepower Threat Defense Software6.6.5.2affected
CiscoCisco Firepower Threat Defense Software6.4.0affected
CiscoCisco Firepower Threat Defense Software6.4.0.1affected
CiscoCisco Firepower Threat Defense Software6.4.0.3affected
CiscoCisco Firepower Threat Defense Software6.4.0.2affected
CiscoCisco Firepower Threat Defense Software6.4.0.4affected
CiscoCisco Firepower Threat Defense Software6.4.0.5affected
CiscoCisco Firepower Threat Defense Software6.4.0.6affected
CiscoCisco Firepower Threat Defense Software6.4.0.7affected
CiscoCisco Firepower Threat Defense Software6.4.0.8affected
CiscoCisco Firepower Threat Defense Software6.4.0.9affected
CiscoCisco Firepower Threat Defense Software6.4.0.10affected
CiscoCisco Firepower Threat Defense Software6.4.0.11affected
CiscoCisco Firepower Threat Defense Software6.4.0.12affected
CiscoCisco Firepower Threat Defense Software6.4.0.13affected
CiscoCisco Firepower Threat Defense Software6.4.0.14affected
CiscoCisco Firepower Threat Defense Software6.7.0affected
CiscoCisco Firepower Threat Defense Software6.7.0.1affected
CiscoCisco Firepower Threat Defense Software6.7.0.2affected
CiscoCisco Firepower Threat Defense Software6.7.0.3affected
CiscoCisco Firepower Threat Defense Software7.0.0affected
CiscoCisco Firepower Threat Defense Software7.0.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.1.1affected
CiscoCisco Firepower Threat Defense Software7.0.2affected
CiscoCisco Firepower Threat Defense Software7.0.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.3affected
CiscoCisco Firepower Threat Defense Software7.1.0affected
CiscoCisco Firepower Threat Defense Software7.1.0.1affected
CiscoCisco Firepower Threat Defense Software7.1.0.2affected

Weaknesses

  • CWE-203: Observable Discrepancy

ADP Enrichment

CVE Program Container

Additional References

References