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CVE-2019-1877— Cisco Enterprise Chat and Email Attachment Download 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 CEC中的HTTP API存在信息泄露漏洞，该漏洞源于不充分的身份验证机制。远程攻击者可通过发送特制的请求利用该漏洞下载文件。

AI Predicted 9.1 Difficulty: Easy EPSS 1.44% · P72

Possible ATT&CK Techniques 1 AI

T1571 · Non-Standard Port
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I. Basic Information for CVE-2019-1877

Vulnerability Information
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Vulnerability Title
Cisco Enterprise Chat and Email Attachment Download Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the HTTP API of Cisco Enterprise Chat and Email could allow an unauthenticated, remote attacker to download files attached through chat sessions. The vulnerability is due to insufficient authentication mechanisms on the file download function of the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to download files that other users attach through the chat feature. This vulnerability affects versions prior to 12.0(1)ES1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Enterprise Chat and Email 信息泄露漏洞
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 CEC中的HTTP API存在信息泄露漏洞，该漏洞源于不充分的身份验证机制。远程攻击者可通过发送特制的请求利用该漏洞下载文件。
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 unspecified ~ 12.0(1)ES1 -

II. Public POCs for CVE-2019-1877

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III. Intelligence Information for CVE-2019-1877

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Vendor Advisories for CVE-2019-1877 (1)

Same Patch Batch · Cisco · 2019-11-05 · 9 CVEs total

CVE-2019-15966 7.7 HIGH Cisco TelePresence Advanced Media Gateway 输入验证错误漏洞
CVE-2019-12625 7.5 HIGH ClamAV Zip Bomb Vulnerability
CVE-2019-1789 7.5 HIGH ClamAV Denial of Service Vulnerability
CVE-2019-1734 Cisco FXOS and NX-OS Software Sensitive File Read Information Disclosure Vulnerability
CVE-2019-1978 Cisco Firepower Threat Defense Software Stream Reassembly Bypass Vulnerability
CVE-2019-1980 Cisco Firepower Threat Defense Software Nonstandard Protocol Detection Bypass Vulnerabilit
CVE-2019-1981 Cisco Firepower Threat Defense Software NULL Character Obfuscation Detection Bypass Vulner
CVE-2019-1982 Cisco Firepower Threat Defense Software HTTP Filtering Bypass Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Enterprise Chat and Email
Same vendor: Cisco
Same weakness: CWE-200

V. Comments for CVE-2019-1877

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