CVE-2022-20633

Summary

A vulnerability in the web-based management interface of Cisco ECE could allow an unauthenticated, remote attacker to perform a username enumeration attack against an affected device.

This vulnerability is due to differences in authentication responses that are sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to an affected device. A successful exploit could allow the attacker to confirm existing user accounts, which could be used in further attacks. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Enterprise Chat and Email11.6(1)_ES3affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES4affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES6affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES8affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES5aaffected
CiscoCisco Enterprise Chat and Email11.6(1)_ES9affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES6_ET1affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES6affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES5affected
CiscoCisco Enterprise Chat and Email12.5(1)_ET1affected
CiscoCisco Enterprise Chat and Email12.5(1)affected
CiscoCisco Enterprise Chat and Email12.5(1)_ES3_ET1affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES3affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES11affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES4affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES5affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES2affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES9aaffected
CiscoCisco Enterprise Chat and Email11.6(1)_ES10affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES1affected
CiscoCisco Enterprise Chat and Email12.0(1)affected
CiscoCisco Enterprise Chat and Email12.5(1)_ES3affected
CiscoCisco Enterprise Chat and Email12.6(1)affected
CiscoCisco Enterprise Chat and Email11.5(1)affected
CiscoCisco Enterprise Chat and Email12.0(1)_ES2affected
CiscoCisco Enterprise Chat and Email11.6(1)_ES7affected
CiscoCisco Enterprise Chat and Email12.5(1)_ES2affected
CiscoCisco Enterprise Chat and Email12.6(1)_ET1affected
CiscoCisco Enterprise Chat and Email11.6(1)affected
CiscoCisco Enterprise Chat and Email12.5(1)_ES1affected

Weaknesses

  • CWE-204: Observable Response Discrepancy

ADP Enrichment

CISA ADP Vulnrichment

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

References