GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-20300 (GCVE-0-2026-20300)

Vulnerability from cvelistv5 – Published: 2026-09-16 20:20 – Updated: 2026-09-16 20:20
VLAI
Title
Cisco Identity Services Engine SQL Injection Vulnerability
Summary
A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read or modify data in the underlying database.
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Impacted products
Vendor Product Version CPE status
Cisco Cisco Identity Services Engine Software Affected: 3.1.0
Affected: 3.1.0 p1
Affected: 3.1.0 p3
Affected: 3.1.0 p2
Affected: 3.2.0
Affected: 3.1.0 p4
Affected: 3.1.0 p5
Affected: 3.2.0 p1
Affected: 3.1.0 p6
Affected: 3.2.0 p2
Affected: 3.1.0 p7
Affected: 3.3.0
Affected: 3.2.0 p3
Affected: 3.2.0 p4
Affected: 3.1.0 p8
Affected: 3.2.0 p5
Affected: 3.2.0 p6
Affected: 3.1.0 p9
Affected: 3.3 Patch 2
Affected: 3.3 Patch 1
Affected: 3.3 Patch 3
Affected: 3.4.0
Affected: 3.2.0 p7
Affected: 3.3 Patch 4
Affected: 3.4 Patch 1
Affected: 3.1.0 p10
Affected: 3.3 Patch 5
Affected: 3.3 Patch 6
Affected: 3.4 Patch 2
Affected: 3.3 Patch 7
Affected: 3.4 Patch 3
Affected: 3.5.0
Affected: 3.4 Patch 4
Affected: 3.3 Patch 8
Affected: 3.2 Patch 8
Affected: 3.5 Patch 1
Affected: 3.3 Patch 9
Affected: 3.2 Patch 9
Affected: 3.4 Patch 5
Affected: 3.5 Patch 3
Affected: 3.5 Patch 2
Affected: 3.3 Patch 10
Affected: 3.3 Patch 11
Affected: 3.4 Patch 6
Affected: 3.2 Patch 10
Affected: 3.1.0 p72
Affected: 3.1.0 p11
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Identity Services Engine Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "3.1.0"
            },
            {
              "status": "affected",
              "version": "3.1.0 p1"
            },
            {
              "status": "affected",
              "version": "3.1.0 p3"
            },
            {
              "status": "affected",
              "version": "3.1.0 p2"
            },
            {
              "status": "affected",
              "version": "3.2.0"
            },
            {
              "status": "affected",
              "version": "3.1.0 p4"
            },
            {
              "status": "affected",
              "version": "3.1.0 p5"
            },
            {
              "status": "affected",
              "version": "3.2.0 p1"
            },
            {
              "status": "affected",
              "version": "3.1.0 p6"
            },
            {
              "status": "affected",
              "version": "3.2.0 p2"
            },
            {
              "status": "affected",
              "version": "3.1.0 p7"
            },
            {
              "status": "affected",
              "version": "3.3.0"
            },
            {
              "status": "affected",
              "version": "3.2.0 p3"
            },
            {
              "status": "affected",
              "version": "3.2.0 p4"
            },
            {
              "status": "affected",
              "version": "3.1.0 p8"
            },
            {
              "status": "affected",
              "version": "3.2.0 p5"
            },
            {
              "status": "affected",
              "version": "3.2.0 p6"
            },
            {
              "status": "affected",
              "version": "3.1.0 p9"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 2"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 1"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 3"
            },
            {
              "status": "affected",
              "version": "3.4.0"
            },
            {
              "status": "affected",
              "version": "3.2.0 p7"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 4"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 1"
            },
            {
              "status": "affected",
              "version": "3.1.0 p10"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 5"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 6"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 2"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 7"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 3"
            },
            {
              "status": "affected",
              "version": "3.5.0"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 4"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 8"
            },
            {
              "status": "affected",
              "version": "3.2 Patch 8"
            },
            {
              "status": "affected",
              "version": "3.5 Patch 1"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 9"
            },
            {
              "status": "affected",
              "version": "3.2 Patch 9"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 5"
            },
            {
              "status": "affected",
              "version": "3.5 Patch 3"
            },
            {
              "status": "affected",
              "version": "3.5 Patch 2"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 10"
            },
            {
              "status": "affected",
              "version": "3.3 Patch 11"
            },
            {
              "status": "affected",
              "version": "3.4 Patch 6"
            },
            {
              "status": "affected",
              "version": "3.2 Patch 10"
            },
            {
              "status": "affected",
              "version": "3.1.0 p72"
            },
            {
              "status": "affected",
              "version": "3.1.0 p11"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read or modify data in the underlying database."
        }
      ],
      "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": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-89",
              "description": "Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T20:20:38.628Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ise-sql-inj-3QTKR947",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ise-sql-inj-3QTKR947",
        "defects": [
          "CSCwu27707"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco Identity Services Engine SQL Injection Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-20300",
    "datePublished": "2026-09-16T20:20:38.628Z",
    "dateReserved": "2025-10-08T11:59:15.408Z",
    "dateUpdated": "2026-09-16T20:20:38.628Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-20300",
      "date": "2026-09-17",
      "epss": "0.00291",
      "percentile": "0.21821"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unknown",
                "product": "Cisco Identity Services Engine Software",
                "vendor": "Cisco",
                "versions": [
                  {
                    "status": "affected",
                    "version": "3.1.0"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p1"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p3"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p2"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p4"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p5"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p1"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p6"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p2"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p7"
                  },
                  {
                    "status": "affected",
                    "version": "3.3.0"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p3"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p4"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p8"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p5"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p6"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p9"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 2"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 1"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 3"
                  },
                  {
                    "status": "affected",
                    "version": "3.4.0"
                  },
                  {
                    "status": "affected",
                    "version": "3.2.0 p7"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 4"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 1"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p10"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 5"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 6"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 2"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 7"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 3"
                  },
                  {
                    "status": "affected",
                    "version": "3.5.0"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 4"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 8"
                  },
                  {
                    "status": "affected",
                    "version": "3.2 Patch 8"
                  },
                  {
                    "status": "affected",
                    "version": "3.5 Patch 1"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 9"
                  },
                  {
                    "status": "affected",
                    "version": "3.2 Patch 9"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 5"
                  },
                  {
                    "status": "affected",
                    "version": "3.5 Patch 3"
                  },
                  {
                    "status": "affected",
                    "version": "3.5 Patch 2"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 10"
                  },
                  {
                    "status": "affected",
                    "version": "3.3 Patch 11"
                  },
                  {
                    "status": "affected",
                    "version": "3.4 Patch 6"
                  },
                  {
                    "status": "affected",
                    "version": "3.2 Patch 10"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p72"
                  },
                  {
                    "status": "affected",
                    "version": "3.1.0 p11"
                  }
                ]
              }
            ],
            "source": "psirt@cisco.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read or modify data in the underlying database."
          }
        ],
        "id": "CVE-2026-20300",
        "lastModified": "2026-09-16T21:17:09.897",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 4.2,
              "source": "psirt@cisco.com",
              "type": "Primary"
            }
          ]
        },
        "published": "2026-09-16T21:17:09.897",
        "references": [
          {
            "source": "psirt@cisco.com",
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947"
          }
        ],
        "sourceIdentifier": "psirt@cisco.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-89"
              }
            ],
            "source": "psirt@cisco.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…