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CVE-2021-34759

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
02/09/2021
Last modified:
07/11/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
4.80
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.50
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:* 2.2.0 (excluding)
cpe:2.3:a:cisco:identity_services_engine:2.2.0:-:*:*:*:*:*:*
cpe:2.3:a:cisco:identity_services_engine:2.2.0:patch1:*:*:*:*:*:*
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: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:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools