CVE-2026-20305 (GCVE-0-2026-20305)
Vulnerability from cvelistv5
Published
2026-09-16 16:55
Modified
2026-09-17 03:57
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
A vulnerability in the diagnostic tools of Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted commands to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary code on the device and elevate privileges to root. In single-node deployments, successful exploitation of this vulnerability could cause the affected ISE node to become unavailable, resulting in a denial of service (DoS) condition. In that condition, endpoints that have not already authenticated would be unable to access the network until the node is restored.
References
Impacted products
Vendor Product Version
Cisco Cisco Identity Services Engine Software Version: 3.1.0
Version: 3.1.0 p1
Version: 3.1.0 p3
Version: 3.1.0 p2
Version: 3.2.0
Version: 3.1.0 p4
Version: 3.1.0 p5
Version: 3.2.0 p1
Version: 3.1.0 p6
Version: 3.2.0 p2
Version: 3.1.0 p7
Version: 3.3.0
Version: 3.2.0 p3
Version: 3.2.0 p4
Version: 3.1.0 p8
Version: 3.2.0 p5
Version: 3.2.0 p6
Version: 3.1.0 p9
Version: 3.3 Patch 2
Version: 3.3 Patch 1
Version: 3.3 Patch 3
Version: 3.4.0
Version: 3.2.0 p7
Version: 3.3 Patch 4
Version: 3.4 Patch 1
Version: 3.1.0 p10
Version: 3.3 Patch 5
Version: 3.3 Patch 6
Version: 3.4 Patch 2
Version: 3.3 Patch 7
Version: 3.4 Patch 3
Version: 3.5.0
Version: 3.4 Patch 4
Version: 3.3 Patch 8
Version: 3.2 Patch 8
Version: 3.5 Patch 1
Version: 3.3 Patch 9
Version: 3.2 Patch 9
Version: 3.4 Patch 5
Version: 3.5 Patch 3
Version: 3.5 Patch 2
Version: 3.3 Patch 10
Version: 3.3 Patch 11
Version: 3.4 Patch 6
Version: 3.2 Patch 10
Version: 3.1.0 p72
Version: 3.1.0 p11
 Create a notification for this product.
   Cisco Cisco ISE Passive Identity Connector Version: 3.2.0
Version: 3.1.0
Version: 3.3.0
Version: 3.4.0
 Create a notification for this product.
Show details on NVD website

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