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CVE-2021-21080— Adobe Connect Reflected Cross-site Scripting via query parameter

Quick assessment

Affected
Adobe Connect
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.

Adobe Creative Cloud Desktop Application是美国奥多比（Adobe）公司的一套用于在Creative云会员管理中心管理应用程序和服务的应用程序。该程序支持同步和共享文件、管理字体以及访问商业摄影和设计的资产库。 Adobe Creative Cloud Desktop Application 11.0.5 存在跨站脚本漏洞，攻击者可以利用此漏洞窃取受害者基于cookie的身份验证凭据。

AI Predicted 6.1 Difficulty: Easy EPSS 1.19% · P65

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-21080

Vulnerability Information
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Vulnerability Title
Adobe Connect Reflected Cross-site Scripting via query parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious JavaScript content that may be executed within the context of the victim's browser when they browse to the page containing the vulnerable field.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Adobe Creative Cloud Desktop Application 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Creative Cloud Desktop Application是美国奥多比（Adobe）公司的一套用于在Creative云会员管理中心管理应用程序和服务的应用程序。该程序支持同步和共享文件、管理字体以及访问商业摄影和设计的资产库。 Adobe Creative Cloud Desktop Application 11.0.5 存在跨站脚本漏洞，攻击者可以利用此漏洞窃取受害者基于cookie的身份验证凭据。
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
Adobe Connect unspecified ~ 11.0.7 -

II. Public POCs for CVE-2021-21080

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III. Intelligence Information for CVE-2021-21080

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Vendor Advisories for CVE-2021-21080 (1)

Same Patch Batch · Adobe · 2021-03-12 · 16 CVEs total

CVE-2021-21082 7.8 HIGH Adobe Photoshop Memory Corruption
CVE-2021-21085 7.8 HIGH Adobe Connect CSV injection via export feature could lead to code execution
CVE-2021-21067 7.8 HIGH Adobe Photoshop CoolType arbitrary stack manipulation in Type 1/Multiple Master
CVE-2021-21078 Adobe Creative Cloud Unquoted Service Path in CCXProcess
CVE-2021-21074 Adobe Animate out-of-bounds read vulnerability
CVE-2021-21056 Adobe FrameMaker Out-of-Bounds Read Vulnerability Could Lead To Remote Code Execution
CVE-2021-21071 Adobe Animate memory corruption vulnerability
CVE-2021-21075 Adobe Animate out-of-bounds read vulnerability
CVE-2021-21076 Adobe Animate out-of-bounds read vulnerability
CVE-2021-21068 Adobe Creative Cloud installer arbitrary file overwrite vulnerability
CVE-2021-21077 Adobe Animate heap-based overflow vulnerability
CVE-2021-21069 Adobe Creative Cloud Privilege Escalation Vulnerability
CVE-2021-21073 Adobe Animate out-of-bounds read vulnerability
CVE-2021-21072 Adobe Animate out-of-bounds read vulnerability
CVE-2021-21079 Adobe Connect Reflected Cross-site Scripting via archiveOffset parameter

IV. Related Vulnerabilities

Same product: Connect
Same vendor: Adobe
Same weakness: CWE-79

V. Comments for CVE-2021-21080

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