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CVE-2021-41767— Private tunnel identifier may be included in the non-private details of active connections

Quick assessment

Affected
Apache Software Foundation Apache Guacamole
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.

Apache Guacamole是美国阿帕奇（Apache）基金会的一款无客户端的远程桌面网关。该产品支持VNC、RDP和SSH等协议。 Apache Guacamole 1.3.0存在安全漏洞，该漏洞源于Apache Guacamole 1.3.0和更早版本可能不正确地在一些REST响应的非私有细节中包含私有隧道标识符。这可能允许已经拥有访问特定连接权限的经过身份验证的用户从其他用户对同一连接的积极使用中读取或交互。

AI Predicted 7.5 Difficulty: Easy EPSS 1.93% · P80

Possible ATT&CK Techniques 1 AI

T1098 · Account Manipulation
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I. Basic Information for CVE-2021-41767

Vulnerability Information
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Vulnerability Title
Private tunnel identifier may be included in the non-private details of active connections
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user's active use of that same connection.
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
Apache Guacamole 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Guacamole是美国阿帕奇（Apache）基金会的一款无客户端的远程桌面网关。该产品支持VNC、RDP和SSH等协议。 Apache Guacamole 1.3.0存在安全漏洞，该漏洞源于Apache Guacamole 1.3.0和更早版本可能不正确地在一些REST响应的非私有细节中包含私有隧道标识符。这可能允许已经拥有访问特定连接权限的经过身份验证的用户从其他用户对同一连接的积极使用中读取或交互。
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
Apache Software Foundation Apache Guacamole unspecified ~ 1.3.0 -

II. Public POCs for CVE-2021-41767

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III. Intelligence Information for CVE-2021-41767

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Mailing List Discussions for CVE-2021-41767 (2)

IV. Related Vulnerabilities

Same product: Apache Guacamole
Same vendor: Apache Software Foundation
Same weakness: CWE-200

V. Comments for CVE-2021-41767

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