CVE-2026-8980 (GCVE-0-2026-8980)

Vulnerability from cvelistv5 – Published: 2026-05-28 13:12 – Updated: 2026-05-28 14:22
VLAI
Title
Privilege Escalation
Summary
The Mennekes Amtron series (firmware versions ≤ 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
CWE
  • CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
Vendor Product Version
Mennekes Amtron Affected: 0 , ≤ 5.22.3 (custom)
Create a notification for this product.
Credits
S. Eisenreich-Dietz (CyberDanube)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8980",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-28T14:21:57.909920Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-28T14:22:21.131Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Amtron",
          "vendor": "Mennekes",
          "versions": [
            {
              "changes": [
                {
                  "at": "5.33.11-21500",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "5.22.3",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "S. Eisenreich-Dietz (CyberDanube)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eThe Mennekes Amtron series (firmware versions \u2264 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests.\u003c/p\u003e"
            }
          ],
          "value": "The Mennekes Amtron series (firmware versions \u2264 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T13:12:34.223Z",
        "orgId": "7d092a75-6bbd-48c6-a15a-0297458009bc",
        "shortName": "CyberDanube"
      },
      "references": [
        {
          "url": "https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Privilege Escalation",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d092a75-6bbd-48c6-a15a-0297458009bc",
    "assignerShortName": "CyberDanube",
    "cveId": "CVE-2026-8980",
    "datePublished": "2026-05-28T13:12:34.223Z",
    "dateReserved": "2026-05-19T13:11:29.613Z",
    "dateUpdated": "2026-05-28T14:22:21.131Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-8980\",\"sourceIdentifier\":\"office@cyberdanube.com\",\"published\":\"2026-05-28T14:16:25.040\",\"lastModified\":\"2026-05-28T18:56:36.823\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Mennekes Amtron series (firmware versions \u2264 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"office@cyberdanube.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":9.3,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"HIGH\",\"subIntegrityImpact\":\"HIGH\",\"subAvailabilityImpact\":\"HIGH\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"office@cyberdanube.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"references\":[{\"url\":\"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/\",\"source\":\"office@cyberdanube.com\"},{\"url\":\"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-8980\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-28T14:21:57.909920Z\"}}}], \"references\": [{\"url\": \"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-28T14:22:17.384Z\"}}], \"cna\": {\"title\": \"Privilege Escalation\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"S. Eisenreich-Dietz (CyberDanube)\"}], \"impacts\": [{\"capecId\": \"CAPEC-233\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-233 Privilege Escalation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 9.3, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P\", \"exploitMaturity\": \"PROOF_OF_CONCEPT\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"HIGH\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Mennekes\", \"product\": \"Amtron\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"5.33.11-21500\", \"status\": \"unaffected\"}], \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.22.3\"}], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Mennekes Amtron series (firmware versions \\u2264 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eThe Mennekes Amtron series (firmware versions \\u2264 5.22.3) is vulnerable to privilege escalation. An authenticated low-privileged user can change the passwords of the admin (operator) and manufacturer accounts via crafted POST requests.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-269\", \"description\": \"CWE-269 Improper Privilege Management\"}]}], \"providerMetadata\": {\"orgId\": \"7d092a75-6bbd-48c6-a15a-0297458009bc\", \"shortName\": \"CyberDanube\", \"dateUpdated\": \"2026-05-28T13:12:34.223Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-8980\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-28T14:22:21.131Z\", \"dateReserved\": \"2026-05-19T13:11:29.613Z\", \"assignerOrgId\": \"7d092a75-6bbd-48c6-a15a-0297458009bc\", \"datePublished\": \"2026-05-28T13:12:34.223Z\", \"assignerShortName\": \"CyberDanube\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.