5.3

CVE-2022-20633: cisco cisco enterprise chat and email Observable Response Discrepancy

CVSS: 5.3v3.1MediumAnalyzed
Published 15-11-2024Last modified 15-11-2024

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.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-11-2024
    PublishedVulnerability first disclosed.
  2. 15-11-2024
    Last 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

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

18-09-202618-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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