{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker with low privileges to access sensitive information that they are not authorized to access.\r\n\r\nThis vulnerability is due to improper authorization checks on a REST API endpoint of an affected device.\u0026nbsp;An attacker could exploit this vulnerability by querying the affected endpoint. A successful exploit could allow the attacker to view session information of active Cisco EPNM users, including users with administrative privileges, which could result in the affected device being compromised."
    }
  ],
  "id": "CVE-2026-20155",
  "lastModified": "2026-04-01T17:28:31.430",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 5.9,
        "source": "psirt@cisco.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-04-01T17:28:31.430",
  "references": [
    {
      "source": "psirt@cisco.com",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "psirt@cisco.com",
      "type": "Primary"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-20155"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-01T17:28:31Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker with low privileges to access sensitive information that they are not authorized to access.\n\nThis vulnerability is due to improper authorization checks on a REST API endpoint of an affected device.\u0026nbsp;An attacker could exploit this vulnerability by querying the affected endpoint. A successful exploit could allow the attacker to view session information of active Cisco EPNM users, including users with administrative privileges, which could result in the affected device being compromised.",
  "id": "GHSA-g5c4-x88j-p4hw",
  "modified": "2026-04-01T18:36:38Z",
  "published": "2026-04-01T18:36:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20155"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

{
  "document": {
    "acknowledgments": [
      {
        "summary": "This vulnerability was found during the resolution of a Cisco Technical Assistance Center (TAC) support case."
      }
    ],
    "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) could allow an authenticated, remote attacker with low privileges to access sensitive information that they are not authorized to access.\r\n\r\nThis vulnerability is due to improper authorization checks on a REST API endpoint of an affected device. An attacker could exploit this vulnerability by querying the affected endpoint. A successful exploit could allow the attacker to view session information of active Cisco EPNM users, including users with administrative privileges, which could result in the affected device being compromised.\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": "This vulnerability affects Cisco EPNM, regardless of device configuration.\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.",
        "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\nIn the following table, the left column lists Cisco software releases. The right column indicates whether a release is affected by the vulnerability that is described in this advisory and the first release that includes the fix for this vulnerability. Customers are advised to upgrade to an appropriate fixed software release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in this section.\r\n        Cisco EPNM Release  First Fixed Release          8.0 and earlier  Migrate to a fixed release.       8.1  8.1.2\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 vulnerabilities that are described in this advisory.",
        "title": "Exploitation and Public Announcements"
      },
      {
        "category": "general",
        "text": "This vulnerability was found during the resolution of a Cisco Technical Assistance Center (TAC) support case.",
        "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\nLEGAL 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 Improper Authorization Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "fixed software release",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "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": "the advisories",
        "url": "https://www.cisco.com/go/psirt"
      }
    ],
    "title": "Cisco Evolved Programmable Network Manager Improper Authorization Vulnerability",
    "tracking": {
      "current_release_date": "2026-04-01T16:00:00+00:00",
      "generator": {
        "date": "2026-04-01T15:52:08+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-epnm-improp-auth-mUwFWUU3",
      "initial_release_date": "2026-04-01T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-04-01T15:51:50+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 Evolved Programmable Network Manager (EPNM)",
            "product": {
              "name": "Cisco Evolved Programmable Network Manager (EPNM) ",
              "product_id": "CSAFPID-213688"
            }
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-20155",
      "ids": [
        {
          "system_name": "Cisco Bug ID",
          "text": "CSCwp27059"
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Complete.",
          "title": "Affected Product Comprehensiveness"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-213688"
        ]
      },
      "release_date": "2026-04-01T16:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Cisco has released software updates that address this vulnerability.",
          "product_ids": [
            "CSAFPID-213688"
          ],
          "url": "https://software.cisco.com"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-213688"
          ]
        }
      ],
      "title": "Cisco Evolved Programmable Network Manager Improper Authorization Vulnerability"
    }
  ]
}

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Cisco NFVIS versions ant\u00e9rieures \u00e0 4.18.3 sur Cisco Catalyst 8300 Series Edge uCPE",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) sur UCS C-Series M5 Rack Server ",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 3.2.17 sur UCS E-Series M3",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) (M5), 4.3(6.260017) (M6) et 6.0(1.250174) (M6) sur Secure Network Server Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions 6.x ant\u00e9rieures \u00e0 6.0(1.250174) sur UCS C-Series M6 Rack Server ",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) (M5) et 4.3(6.260017) (M6) sur Secure Endpoint Private Cloud Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Smart Software Manager On-Prem (SSM On-Prem) versions ant\u00e9rieures \u00e0 9-202601",
      "product": {
        "name": "Smart Software Manager On-Prem",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) (M5) et 4.3(6.260017) (M6) sur Secure Malware Analytics Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) (M5) et 4.3(6.260017) (M6) sur Secure Firewall Management Center Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(6.260017) (M6) sur IEC6400 Edge Compute Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.15.3 sur UCS E-Series M6",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco NFVIS versions ant\u00e9rieures \u00e0 4.15.5 sur Cisco 5000 Series ENCS",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 6.0(1.250192) (M6) sur Cisco Telemetry Broker Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(2.260007) (M5) et 6.0(1.250192) (M6) sur Secure Network Analytics Appliances",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Cisco IMC versions ant\u00e9rieures \u00e0 4.3(6.260017) sur UCS C-Series M6 Rack Server ",
      "product": {
        "name": "Integrated Management Controller (IMC)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Evolved Programmable Network Manager (EPNM) versions ant\u00e9rieures \u00e0 8.1.2",
      "product": {
        "name": "Evolved Programmable Network Manager (EPNM)",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-20094",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20094"
    },
    {
      "name": "CVE-2026-20151",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20151"
    },
    {
      "name": "CVE-2026-20155",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20155"
    },
    {
      "name": "CVE-2026-20096",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20096"
    },
    {
      "name": "CVE-2026-20097",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20097"
    },
    {
      "name": "CVE-2026-20160",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20160"
    },
    {
      "name": "CVE-2026-20095",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20095"
    },
    {
      "name": "CVE-2026-20093",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20093"
    }
  ],
  "initial_release_date": "2026-04-02T00:00:00",
  "last_revision_date": "2026-04-02T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0388",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-02T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Cisco. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": "2026-04-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ssm-cli-execution-cHUcWuNr",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-cli-execution-cHUcWuNr"
    },
    {
      "published_at": "2026-04-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cimc-auth-bypass-AgG2BxTn",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-auth-bypass-AgG2BxTn"
    },
    {
      "published_at": "2026-04-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cimc-cmd-inj-3hKN3bVt",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-cmd-inj-3hKN3bVt"
    },
    {
      "published_at": "2026-04-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-cssm-priv-esc-xRAnOuO8",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-priv-esc-xRAnOuO8"
    },
    {
      "published_at": "2026-04-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-epnm-improp-auth-mUwFWUU3",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3"
    }
  ]
}