CVE-2026-20147 (GCVE-0-2026-20147)
Vulnerability from cvelistv5
Published
2026-04-15 16:03
Modified
2026-04-16 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Summary
A vulnerability in Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root. In single-node ISE 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 2 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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