{
  "affected": [],
  "aliases": [
    "CVE-2026-20123"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-04T17:16:14Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to redirect a user to a malicious web page.\n\nThis vulnerability is due to improper input validation of the parameters in the HTTP request. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.",
  "id": "GHSA-8vw9-4phq-rr32",
  "modified": "2026-02-04T18:30:42Z",
  "published": "2026-02-04T18:30:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20123"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-pi-redirect-6sX82dN"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Der Cisco Evolved Programmable Network (EPN) Manager ist eine All-in-One-Managementl\u00f6sung f\u00fcr die Konvergenz von paketorientierten und optischen Netzwerken.\r\nCisco Prime Infrastructure kombiniert die Wireless-F\u00e4higkeiten von Cisco Prime Network Control System (NCS) und die drahtgebundenen F\u00e4higkeiten von Cisco Prime LAN Management Solution (LMS) mit den Applikations- Performance-Monitoring- und Troubleshooting-F\u00e4higkeiten von Cisco Prime Assurance Manager.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Cisco Evolved Programmable Network Manager und Cisco Prime Infrastructure ausnutzen, um falsche Informationen darzustellen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- CISCO Appliance",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0308 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0308.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0308 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0308"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisories vom 2026-02-04",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-pi-redirect-6sX82dN"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco Evolved Programmable Network Manager und Prime Infrastructure: Schwachstelle erm\u00f6glicht Darstellen falscher Informationen",
    "tracking": {
      "current_release_date": "2026-02-04T23:00:00.000+00:00",
      "generator": {
        "date": "2026-02-05T10:11:05.150+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0308",
      "initial_release_date": "2026-02-04T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-04T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c8.1.1",
                "product": {
                  "name": "Cisco Evolved Programmable Network Manager \u003c8.1.1",
                  "product_id": "T050553"
                }
              },
              {
                "category": "product_version",
                "name": "8.1.1",
                "product": {
                  "name": "Cisco Evolved Programmable Network Manager 8.1.1",
                  "product_id": "T050553-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:evolved_programmable_network_manager:8.1.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Evolved Programmable Network Manager"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c3.10.6 Security Update 2",
                "product": {
                  "name": "Cisco Prime Infrastructure \u003c3.10.6 Security Update 2",
                  "product_id": "T050554"
                }
              },
              {
                "category": "product_version",
                "name": "3.10.6 Security Update 2",
                "product": {
                  "name": "Cisco Prime Infrastructure 3.10.6 Security Update 2",
                  "product_id": "T050554-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:cisco:prime_infrastructure:3.10.6_security_update_2"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Prime Infrastructure"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20123",
      "product_status": {
        "known_affected": [
          "T050554",
          "T050553"
        ]
      },
      "release_date": "2026-02-04T23:00:00.000+00:00",
      "title": "CVE-2026-20123"
    }
  ]
}

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:evolved_programmable_network_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "317FDB7B-04C7-4754-AC47-05012E5898FF",
              "versionEndExcluding": "8.1.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:prime_infrastructure:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7FE6C1B6-F6DE-45A5-908A-8ADA588DDA52",
              "versionEndIncluding": "3.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:prime_infrastructure:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4FBEDB40-E752-4649-8E93-1C281921581D",
              "versionEndIncluding": "3.10.6",
              "versionStartIncluding": "3.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:prime_infrastructure:3.10.6:update01:*:*:*:*:*:*",
              "matchCriteriaId": "30799703-8281-4463-AD55-17A166C5640E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to redirect a user to a malicious web page.\r\n\r\nThis vulnerability is due to improper input validation of the parameters in the HTTP request. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la interfaz de gesti\u00f3n basada en web de Cisco Evolved Programmable Network Manager (EPNM) y Cisco Prime Infrastructure podr\u00eda permitir a un atacante remoto no autenticado redirigir a un usuario a una p\u00e1gina web maliciosa.\n\nEsta vulnerabilidad se debe a una validaci\u00f3n de entrada incorrecta de los par\u00e1metros en la solicitud HTTP. Un atacante podr\u00eda explotar esta vulnerabilidad interceptando y modificando una solicitud HTTP de un usuario. Un exploit exitoso podr\u00eda permitir al atacante redirigir al usuario a una p\u00e1gina web maliciosa."
    }
  ],
  "id": "CVE-2026-20123",
  "lastModified": "2026-03-10T20:13:47.623",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "psirt@cisco.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-02-04T17:16:14.627",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-pi-redirect-6sX82dN"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Primary"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "Cisco would like to thank Per Rynning for reporting this vulnerability."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) and Cisco Prime Infrastructure could allow an unauthenticated, remote attacker to redirect a user to a malicious web page.\r\n\r\nThis vulnerability is due to improper input validation of the parameters in the HTTP request. An attacker could exploit this vulnerability by intercepting and modifying an HTTP request from a user. A successful exploit could allow the attacker to redirect the user to a malicious web page.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "At the time of publication, this vulnerability affected Cisco EPNM and Cisco Prime Infrastructure, regardless of device configuration.\r\n\r\nFor information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software [\"#fs\"] section of this advisory. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.",
        "title": "Vulnerable Products"
      },
      {
        "category": "general",
        "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.",
        "title": "Products Confirmed Not Vulnerable"
      },
      {
        "category": "general",
        "text": "There are no workarounds that address this vulnerability.",
        "title": "Workarounds"
      },
      {
        "category": "general",
        "text": "Cisco considers any workarounds and mitigations (if applicable) to be temporary solutions until an upgrade to a fixed software release is available. To fully remediate this vulnerability and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.\r\n      Fixed Releases\r\nAt the time of publication, the release information in the following tables was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.\r\n\r\nThe left column lists Cisco software releases, and the right column indicates whether a release was affected by the vulnerability that is described in this advisory and which release included the fix for this vulnerability.\r\n        Cisco EPNM Release  First Fixed Release          8.0 and earlier  Migrate to a fixed release.      8.1  8.1.1\r\n         Cisco Prime Infrastructure Release  First Fixed Release          3.9 and earlier  Migrate to a fixed release.      3.10  3.10.6 Security Update 2\r\nThe Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.",
        "title": "Fixed Software"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "general",
        "text": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "Cisco would like to thank Per Rynning for reporting this vulnerability.",
        "title": "Source"
      },
      {
        "category": "legal_disclaimer",
        "text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\n    LEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Open Redirect Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-pi-redirect-6sX82dN"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "Cisco Technical Assistance Center (TAC)",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "the advisories",
        "url": "https://www.cisco.com/go/psirt"
      }
    ],
    "title": "Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Open Redirect Vulnerability",
    "tracking": {
      "current_release_date": "2026-02-04T16:00:00+00:00",
      "generator": {
        "date": "2026-02-04T15:55:52+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-epnm-pi-redirect-6sX82dN",
      "initial_release_date": "2026-02-04T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-02-04T15:55:38+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_family",
            "name": "Cisco Prime Infrastructure",
            "product": {
              "name": "Cisco Prime Infrastructure ",
              "product_id": "CSAFPID-190324"
            }
          },
          {
            "category": "product_family",
            "name": "Cisco Evolved Programmable Network Manager (EPNM)",
            "product": {
              "name": "Cisco Evolved Programmable Network Manager (EPNM) ",
              "product_id": "CSAFPID-213688"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20123",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwo86413"
        },
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwo86443"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-190324",
          "CSAFPID-213688"
        ]
      },
      "release_date": "2026-02-04T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-190324",
            "CSAFPID-213688"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-190324",
            "CSAFPID-213688"
          ]
        }
      ],
      "title": "Cisco Prime Infrastructure and Evolved Programmable Network Manager Open Redirect Vulnerability"
    }
  ]
}