CVE-2026-20285
Cisco Identity Services Engine Authorization Bypass Vulnerability
Published Sep 16, 2026
CVSS 3.1 · 4.3 Medium
EPSS < 1%
KEV · Not listed
Description
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.
This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.
This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.
Affected Products
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CVE record
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NVD configurations
No data
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Red Hat packages
No data
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Cisco | Cisco Identity Services Engine Software | unknown |
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| Cisco | Cisco ISE Passive Identity Connector | unknown |
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No data.
No data.
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| Cisco | Identity Services Engine Passive Identity Connector |
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| Cisco | Identity Services Engine Software |
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Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact None
Integrity Impact Low
Availability Impact None
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.474% probability within 30 days)
Exploitation none
Automatable no
Technical Impact partial
References
History
Sep 20, 2026 3:30 AM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Sep 18, 2026 9:30 PM
First appearance in the feed. Affected vendors updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cisco
Cisco identity Services Engine Passive Identity Connector Cisco identity Services Engine Software |
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| Vendors & Products |
Cisco
Cisco identity Services Engine Passive Identity Connector Cisco identity Services Engine Software |
Sep 16, 2026 8:30 PM
Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials. | |
| Title | Cisco Identity Services Engine Authorization Bypass Vulnerability | |
| Weaknesses | CWE-285 | |
| References |
| |
| Metrics |
cvssV3_1
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Subscriptions
Weaknesses
