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CVE-2020-7036— XXE in Avaya Callback Assist Administration

Quick assessment

Affected
Avaya Callback Assist
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.

Avaya Callback Assist是美国Avaya公司的一个应用软件。通过Avaya Callback Assist，联系中心可以在呼叫高峰期间（估计等待时间最高）为呼叫者提供回叫选项 Callback Assist includes 4.0.x系列4.7.1.1之前版本Patch 7 存在代码问题漏洞，该漏洞允许经过身份验证的远程攻击者获得对存储在受影响系统上的信息的读访问权。

CVSS 8.1 · High EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2020-7036

Vulnerability Information
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Vulnerability Title
XXE in Avaya Callback Assist Administration
Source: CVE Program / CVE List V5
Vulnerability Description
An XML External Entities (XXE)vulnerability in Callback Assist could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The affected versions of Callback Assist includes all 4.0.x versions before 4.7.1.1 Patch 7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Avaya Callback Assist 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avaya Callback Assist是美国Avaya公司的一个应用软件。通过Avaya Callback Assist，联系中心可以在呼叫高峰期间（估计等待时间最高）为呼叫者提供回叫选项 Callback Assist includes 4.0.x系列4.7.1.1之前版本Patch 7 存在代码问题漏洞，该漏洞允许经过身份验证的远程攻击者获得对存储在受影响系统上的信息的读访问权。
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
Avaya Callback Assist 4.0.x ~ 4.7.1.1 -

II. Public POCs for CVE-2020-7036

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III. Intelligence Information for CVE-2020-7036

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Other References for CVE-2020-7036 (1)

Same Patch Batch · Avaya · 2021-04-23 · 3 CVEs total

CVE-2020-7035 8.1 HIGH XXE in Avaya Aura Orchestration Designer
CVE-2020-7034 7.2 HIGH Command injection in Avaya Session Border Controller for Enterprise

IV. Related Vulnerabilities

Same vendor: Avaya
Same weakness: CWE-611

V. Comments for CVE-2020-7036

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