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CVE-2021-34738— Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities

Quick assessment

Affected
Cisco Cisco Identity Services Engine Software
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 Identity Services Engine（ISE）是美国思科（Cisco）公司的一款基于身份的环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。 Cisco Identity Services Engine 存在跨站脚本漏洞，该漏洞源于软件在基于web的管理界面中对用户提供的输入进行了不正确的验证造成的。攻击者可以通过将恶意代码注入接口的特定页面来利用此漏洞进行攻击。成功利用此漏洞可使攻击者在界面上下文中执行任意脚本代码，或访

CVSS 6.1 · Medium EPSS 0.62% · P47

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-34738

Vulnerability Information
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Vulnerability Title
Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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
Cisco Identity Services Engine 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Identity Services Engine（ISE）是美国思科（Cisco）公司的一款基于身份的环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。 Cisco Identity Services Engine 存在跨站脚本漏洞，该漏洞源于软件在基于web的管理界面中对用户提供的输入进行了不正确的验证造成的。攻击者可以通过将恶意代码注入接口的特定页面来利用此漏洞进行攻击。成功利用此漏洞可使攻击者在界面上下文中执行任意脚本代码，或访
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 Identity Services Engine Software n/a -

II. Public POCs for CVE-2021-34738

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III. Intelligence Information for CVE-2021-34738

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Vendor Advisories for CVE-2021-34738 (1)

Same Patch Batch · Cisco · 2021-10-21 · 9 CVEs total

CVE-2021-1529 7.8 HIGH Cisco IOS XE SD-WAN Software Command Injection Vulnerability
CVE-2021-40121 6.1 MEDIUM Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities
CVE-2021-40122 5.9 MEDIUM Cisco Meeting Server Call Bridge Denial of Service Vulnerability
CVE-2021-34736 5.3 MEDIUM Cisco Integrated Management Controller GUI Denial of Service Vulnerability
CVE-2021-34789 4.8 MEDIUM Cisco Tetration Stored Cross-Site Scripting Vulnerability
CVE-2021-40123 4.3 MEDIUM Cisco Identity Services Engine File Download Vulnerability
CVE-2021-34743 4.3 MEDIUM Cisco Webex Software Application Authorization Bypass Vulnerability
CVE-2021-34760 Cisco TelePresence Management Suite Stored Cross-Site Scripting Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-79

V. Comments for CVE-2021-34738

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