CWE-780

{
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-9071",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2025-08-29T13:45:26.977528Z",
                "version": "2.0.3"
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          "dateUpdated": "2025-08-29T13:45:42.363Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Oberon PSA Crypto",
          "vendor": "Oberon microsystems AG",
          "versions": [
            {
              "changes": [
                {
                  "at": "rsa_oaep_padding.patch",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "1.5.1",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nordic Semiconductor ASA"
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      ],
      "descriptions": [
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              "value": "\u003cspan style=\"background-color: rgb(248, 248, 248);\"\u003e\u003cspan style=\"background-color: rgb(248, 248, 248);\"\u003eErroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG\u2019s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs.\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG\u2019s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-97",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-97 Cryptanalysis"
            }
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        }
      ],
      "metrics": [
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            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NEGLIGIBLE",
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/RE:L",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "LOW"
          },
          "format": "CVSS",
          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-780",
              "description": "CWE-780 Use of RSA Algorithm without OEAP",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-29T09:19:59.959Z",
        "orgId": "455daabc-a392-441d-aa46-37d35189897c",
        "shortName": "NCSC.ch"
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      "references": [
        {
          "url": "https://www.oberon.ch/security-advisories/cve-2025-9071/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Insecure RSA-OAEP implementation with all-zero seed for padding in Oberon PSA Crypto",
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  },
  "cveMetadata": {
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    "assignerShortName": "NCSC.ch",
    "cveId": "CVE-2025-9071",
    "datePublished": "2025-08-29T09:19:59.959Z",
    "dateReserved": "2025-08-15T14:58:36.635Z",
    "dateUpdated": "2025-08-29T13:45:42.363Z",
    "state": "PUBLISHED"
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