CVE-2026-89172 (GCVE-0-2026-89172)
Vulnerability from cvelistv5
Published
2026-09-12 09:26
Modified
2026-09-14 13:00
Severity ?
5.6 (Medium) - CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CWE
  • CWE-1300 - Improper protection of physical side channels
Summary
Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052. This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.
References
Impacted products
Vendor Product Version
Microchip AN1044 Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-89172",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-14T12:55:05.158056Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-14T13:00:29.366Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "AN1044",
          "vendor": "Microchip",
          "versions": [
            {
              "lessThanOrEqual": "A",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "AN953",
          "vendor": "Microchip",
          "versions": [
            {
              "lessThanOrEqual": "A",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SW300052",
          "vendor": "Microchip",
          "versions": [
            {
              "lessThanOrEqual": "2.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Daniel W\u00fcrsch"
        },
        {
          "lang": "en",
          "type": "other",
          "value": "Institute of Computer Science, University of Tartu"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\u003cp\u003eThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.\u003c/p\u003e"
            }
          ],
          "value": "Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\n\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-97",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-97"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "PHYSICAL",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1300",
              "description": "CWE-1300 Improper protection of physical side channels",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-12T09:26:05.932Z",
        "orgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
        "shortName": "Microchip"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/side-channel-attack-an1044-an953-sw300052-cryptographic-algorithms"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://www.microchip.com/en-us/application-notes/an1044"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://www.microchip.com/en-us/application-notes/an953"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://www.microchip.com/en-us/development-tool/sw300052"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eNone. Side-channel prevention is outside of intended use of\nproduct.\u003c/p\u003e"
            }
          ],
          "value": "None. Side-channel prevention is outside of intended use of\nproduct."
        }
      ],
      "source": {
        "advisory": "PSIRT-128",
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-04-01T22:00:00.000Z",
          "value": "Reported"
        }
      ],
      "title": "Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
    "assignerShortName": "Microchip",
    "cveId": "CVE-2026-89172",
    "datePublished": "2026-09-12T09:26:05.932Z",
    "dateReserved": "2026-09-11T05:25:06.717Z",
    "dateUpdated": "2026-09-14T13:00:29.366Z",
    "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-2026-89172\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-14T12:55:05.158056Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-14T12:57:08.812Z\"}}], \"cna\": {\"title\": \"Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms\", \"source\": {\"advisory\": \"PSIRT-128\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Daniel W\\u00fcrsch\"}, {\"lang\": \"en\", \"type\": \"other\", \"value\": \"Institute of Computer Science, University of Tartu\"}], \"impacts\": [{\"capecId\": \"CAPEC-97\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-97\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 5.6, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"PHYSICAL\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Microchip\", \"product\": \"AN1044\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"A\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Microchip\", \"product\": \"AN953\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"A\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Microchip\", \"product\": \"SW300052\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.6\"}], \"defaultStatus\": \"unknown\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-04-01T22:00:00.000Z\", \"value\": \"Reported\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"None. Side-channel prevention is outside of intended use of\\nproduct.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eNone. Side-channel prevention is outside of intended use of\\nproduct.\u003c/p\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/side-channel-attack-an1044-an953-sw300052-cryptographic-algorithms\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://www.microchip.com/en-us/application-notes/an1044\", \"tags\": [\"related\"]}, {\"url\": \"https://www.microchip.com/en-us/application-notes/an953\", \"tags\": [\"related\"]}, {\"url\": \"https://www.microchip.com/en-us/development-tool/sw300052\", \"tags\": [\"related\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.5\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\\n\\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\u003cp\u003eThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1300\", \"description\": \"CWE-1300 Improper protection of physical side channels\"}]}], \"providerMetadata\": {\"orgId\": \"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5\", \"shortName\": \"Microchip\", \"dateUpdated\": \"2026-09-12T09:26:05.932Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-89172\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-14T13:00:29.366Z\", \"dateReserved\": \"2026-09-11T05:25:06.717Z\", \"assignerOrgId\": \"dc3f6da9-85b5-4a73-84a2-2ec90b40fca5\", \"datePublished\": \"2026-09-12T09:26:05.932Z\", \"assignerShortName\": \"Microchip\"}",
      "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 seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.