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CVE-2022-20633— Cisco Enterprise Chat and Email Username Enumeration Vulnerability

Quick assessment

Affected
Cisco Cisco Enterprise Chat and Email
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Enterprise Chat and Email（CEC）是美国思科（Cisco）公司的一套企业聊天和电子邮件解决方案。该产品主要为其它Cisco解决方案提供电子邮件、聊天和Web回调功能等。 Cisco Enterprise Chat and Email 存在安全漏洞，该漏洞源于 Cisco ECE 的基于 Web 的管理界面中的一个漏洞可能允许未经身份验证的远程攻击者对受影响的设备执行用户名枚举攻击。此漏洞是由于作为身份验证的一部分从应用程序发回的身份验证响应的差异造成的。 身份验证尝试

CVSS 5.3 · Medium EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery
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I. Basic Information for CVE-2022-20633

Vulnerability Information
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Vulnerability Title
Cisco Enterprise Chat and Email Username Enumeration Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Enterprise Chat and Email 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Enterprise Chat and Email（CEC）是美国思科（Cisco）公司的一套企业聊天和电子邮件解决方案。该产品主要为其它Cisco解决方案提供电子邮件、聊天和Web回调功能等。 Cisco Enterprise Chat and Email 存在安全漏洞，该漏洞源于 Cisco ECE 的基于 Web 的管理界面中的一个漏洞可能允许未经身份验证的远程攻击者对受影响的设备执行用户名枚举攻击。此漏洞是由于作为身份验证的一部分从应用程序发回的身份验证响应的差异造成的。 身份验证尝试
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Enterprise Chat and Email 11.6(1)_ES3 -

II. Public POCs for CVE-2022-20633

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III. Intelligence Information for CVE-2022-20633

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Vendor Advisories for CVE-2022-20633 (1)

Same Patch Batch · Cisco · 2024-11-15 · 50 CVEs total

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CVE-2021-1483 6.4 MEDIUM Cisco SD-WAN vManage Software XML External Entity Vulnerability
CVE-2021-1482 6.4 MEDIUM Cisco SD-WAN vManage Authorization Bypass Vulnerability
CVE-2022-20871 6.3 MEDIUM Cisco Secure Web Appliance Privilege Escalation Vulnerability
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Showing top 20 of 50 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Enterprise Chat and Email
Same vendor: Cisco
Same weakness: CWE-204

V. Comments for CVE-2022-20633

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