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CVE-2021-34759— Cisco Identity Services Engine Cross-Site Scripting Vulnerability

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 Cisco Identity Services Engine (ISE) 软件基于 Web 的管理界面中存在一个漏洞，该漏洞可能允许具有管理凭据的经过身份验证的远程攻击者对该界面的用户进行跨站

CVSS 4.8 · Medium EPSS 0.59% · P46
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I. Basic Information for CVE-2021-34759

Vulnerability Information
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Vulnerability Title
Cisco Identity Services Engine Cross-Site Scripting Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information. To exploit this vulnerability, an attacker would need valid administrative credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 Cisco Identity Services Engine (ISE) 软件基于 Web 的管理界面中存在一个漏洞，该漏洞可能允许具有管理凭据的经过身份验证的远程攻击者对该界面的用户进行跨站
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-2021-34759

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III. Intelligence Information for CVE-2021-34759

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Vendor Advisories for CVE-2021-34759 (1)

Same Patch Batch · Cisco · 2021-09-02 · 5 CVEs total

CVE-2021-34746 9.8 CRITICAL Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability
CVE-2021-34732 6.1 MEDIUM Cisco Prime Collaboration Provisioning Cross-Site Scripting Vulnerability
CVE-2021-34733 5.5 MEDIUM Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Information Disc
CVE-2021-34765 4.3 MEDIUM Cisco Nexus Insights Authenticated Information Disclosure Vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-34759

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