CVE-2026-20195
mediumPriorität · verfolgen · 0EPSS 0.003 · 20. PerzentilDEEUUSEPSS · bewertet 2026-10-27
A vulnerability in an identity management API endpoint of Cisco ISE could allow an unauthenticated, remote attacker to enumerate valid user accounts on an affected device. This vulnerability exists because error messages are observed when the affected API endpoint is called. An attacker could exploit this vulnerability by sending a series of crafted requests to the affected endpoint and analyzing the differentiated responses. A successful exploit could allow the attacker to compile a list of valid usernames on an affected system.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behoben3.3 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 10cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 6cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 7cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 8cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3 Patch 9cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.3.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4 Patch 3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4 Patch 4cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4 Patch 5cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.4.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.5 Patch 1cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.5 Patch 2cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.5 Patch 3cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Behoben3.5.0cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (52)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2026-1391Cisco Identity Services Engine (ISE): Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2026-05-06csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Cisco Identity Services Engine (ISE) ausnutzen, um Informationen offenzulegen.
- cisco-sa-ise-unauth-bypass-uxjRXGpbCisco Identity Services Engine Authentication Bypass Vulnerabilities2026-05-06csaf · cisco_csafUS
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow a remote attacker to bypass authorization mechanisms or examine error messages to gain access to sensitive information on an affected device. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (4)
Externe Belege — Patches, Meldungen, Analysen.
- https://nvd.nist.gov/vuln/detail/CVE-2026-20195cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-bypass-uxjRXGpbPatchcnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-bypass-uxjRXGpbenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-bypass-uxjRXGpbVendor Advisorynvd
Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.
Kostenloser Scan