CVE-2026-20190 (GCVE-0-2026-20190)

Vulnerability from cvelistv5 – Published: 2026-06-17 16:17 – Updated: 2026-06-17 17:16
VLAI?
Title
Cisco Identity Services Engine Information Disclosure Vulnerability
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Identity Services Engine Software Affected: 3.4.0
Affected: 3.4 Patch 1
Affected: 3.4 Patch 2
Affected: 3.4 Patch 3
Affected: 3.5.0
Affected: 3.4 Patch 4
Affected: 3.5 Patch 1
Affected: 3.4 Patch 5
Affected: 3.5 Patch 2
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-20190",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-17T17:14:11.061077Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-17T17:16:45.425Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Identity Services Engine Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "3.4.0"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 1"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 2"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 3"
            },
            {
              "status": "affected",
              "version": "3.5.0"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 4"
            },
            {
              "status": "affected",
              "version": "3.5 Patch 1"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 5"
            },
            {
              "status": "affected",
              "version": "3.5 Patch 2"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Cisco ISE Passive Identity Connector",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "3.4.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device.\r\n\r\nThis 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."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "Improper Authorization",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-17T16:17:04.911Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ise-multi-G5WP8vv",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-G5WP8vv"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ise-multi-G5WP8vv",
        "defects": [
          "CSCwt22936"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Cisco Identity Services Engine Information Disclosure Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20190",
    "datePublished": "2026-06-17T16:17:04.911Z",
    "dateReserved": "2025-10-08T11:59:15.395Z",
    "dateUpdated": "2026-06-17T17:16:45.425Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20190\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-17T17:14:11.061077Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-17T17:16:39.919Z\"}}], \"cna\": {\"title\": \"Cisco Identity Services Engine Information Disclosure Vulnerability\", \"source\": {\"defects\": [\"CSCwt22936\"], \"advisory\": \"cisco-sa-ise-multi-G5WP8vv\", \"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Identity Services Engine Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.4.0\"}, {\"status\": \"affected\", \"version\": \"3.4 Patch 1\"}, {\"status\": \"affected\", \"version\": \"3.4 Patch 2\"}, {\"status\": \"affected\", \"version\": \"3.4 Patch 3\"}, {\"status\": \"affected\", \"version\": \"3.5.0\"}, {\"status\": \"affected\", \"version\": \"3.4 Patch 4\"}, {\"status\": \"affected\", \"version\": \"3.5 Patch 1\"}, {\"status\": \"affected\", \"version\": \"3.4 Patch 5\"}, {\"status\": \"affected\", \"version\": \"3.5 Patch 2\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Cisco\", \"product\": \"Cisco ISE Passive Identity Connector\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.4.0\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-G5WP8vv\", \"name\": \"cisco-sa-ise-multi-G5WP8vv\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device.\\r\\n\\r\\nThis 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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-285\", \"description\": \"Improper Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-06-17T16:17:04.911Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-20190\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-17T17:16:45.425Z\", \"dateReserved\": \"2025-10-08T11:59:15.395Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2026-06-17T16:17:04.911Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.