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CVE-2026-20190
—CVSS 3.1
7.5 high
EPSS
<1%p41
Published
()
Modified
Description
A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device. This vulnerability is due to improper authorization checks when a resource is accessed. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.
- Vendors
- cisco
- Products
- identity services engine, identity services engine passive identity connector
- Weakness
- CWE-285
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
In the news2 stories
ZDI-26-580: Cisco Identity Services Engine Missing Authentication for Critical Function Information Disclosure Vulnerability
ZDI discloses CVE-2026-20190, a missing-authentication flaw in Cisco Identity Services Engine permitting unauthenticated sensitive information disclosure, rated CVSS 7.5.
ZDI-26-580 covers a missing authentication for critical function flaw in Cisco Identity Services Engine. Unauthenticated remote attackers can disclose sensitive information from affected installations. The vulnerability is tracked as CVE-2026-20190 and rated CVSS 7.5. The advisory does not indicate exploitation in the wild.
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