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CVE-2020-1771— Possible XSS in Customer user address book

Quick assessment

Affected
OTRS AG ((OTRS)) Community Edition
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.

Open-source Ticket Request System（OTRS）是德国OTRS集团的一套开源缺陷跟踪管理系统软件。该软件将电话，邮件等各种渠道提交进来的服务请求归类为不同的队列、服务级别，服务人员通过OTRS系统来跟踪和回复客户。 OTRS Community Edition 6.0.26及之前版本和OTRS 7.0.15及之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

CVSS 4.6 · Medium EPSS 1.03% · P63
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I. Basic Information for CVE-2020-1771

Vulnerability Information
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Vulnerability Title
Possible XSS in Customer user address book
Source: CVE Program / CVE List V5
Vulnerability Description
Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
OTRS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open-source Ticket Request System（OTRS）是德国OTRS集团的一套开源缺陷跟踪管理系统软件。该软件将电话，邮件等各种渠道提交进来的服务请求归类为不同的队列、服务级别，服务人员通过OTRS系统来跟踪和回复客户。 OTRS Community Edition 6.0.26及之前版本和OTRS 7.0.15及之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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
OTRS AG ((OTRS)) Community Edition 6.0.x ~ 6.0.26 -
OTRS AG OTRS 7.0.x ~ 7.0.15 -

II. Public POCs for CVE-2020-1771

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III. Intelligence Information for CVE-2020-1771

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Mailing List Discussions for CVE-2020-1771 (4)

Other References for CVE-2020-1771 (1)

Same Patch Batch · OTRS AG · 2020-03-27 · 5 CVEs total

CVE-2020-1773 7.3 HIGH Session / Password / Password token leak
CVE-2020-1772 6.5 MEDIUM Information Disclosure
CVE-2020-1769 3.5 LOW Autocomplete in the form login screens
CVE-2020-1770 2.4 LOW Information disclosure in support bundle files

IV. Related Vulnerabilities

Same product: ((OTRS)) Community Edition
Same vendor: OTRS AG
Same weakness: CWE-79

V. Comments for CVE-2020-1771

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