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Medium severity4.8NVD Advisory· Published Sep 2, 2021· Updated Jun 17, 2026

CVE-2021-34759

CVE-2021-34759

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

59
  • Cisco Systems, Inc./Identity Services Engine Software58 versions
    cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*+ 57 more
    • cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*range: <2.2.0
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch12:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch13:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch14:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch15:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch16:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch17:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch9:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.3.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch11:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch12:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch13:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch14:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.4.0:patch9:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.6.0:patch9:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.7.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.7.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.7.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:2.7.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.0.0:patch3:*:*:*:*:*:*
    • (no CPE)range: n/a
  • Cisco Systems, Inc./Identity Services Engine Expressllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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