CVE-2022-20633: cisco cisco enterprise chat and email Observable Response Discrepancy
Vulnerability summary
CVE-2022-20633 is a medium (CVSS 5.3) Observable Response Discrepancy vulnerability in cisco cisco enterprise chat and email. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.6% of scored vulnerabilities.
Timeline
- 15-11-2024PublishedVulnerability first disclosed.
- 15-11-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.77%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.77% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco enterprise chat and email11.6(1)_ES3 | 11.6(1)_ES4 | 12.0(1)_ES6 | 11.6(1)_ES8 | 12.0(1)_ES5a | 11.6(1)_ES9 | 12.0(1)_ES6_ET1 | 11.6(1)_ES6 | 11.6(1)_ES5 | 12.5(1)_ET1 | 12.5(1) | 12.5(1)_ES3_ET1 | 12.0(1)_ES3 | 11.6(1)_ES11 | 12.0(1)_ES4 | 12.0(1)_ES5 | 11.6(1)_ES2 | 11.6(1)_ES9a | 11.6(1)_ES10 | 12.0(1)_ES1 | 12.0(1) | 12.5(1)_ES3 | 12.6(1) | 11.5(1) | 12.0(1)_ES2 | 11.6(1)_ES7 | 12.5(1)_ES2 | 12.6(1)_ET1 | 11.6(1) | 12.5(1)_ES1
- enterprise_chat_and_email< 12.6\(1\)es1
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory