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CVE-2025-20102

Status: AnalyzedMedium (5.5)—

in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through out-of-bounds read.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Openatom — Openharmony

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-20102",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-20102",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-07T13:33:43.017978Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "scy@openharmony.io",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.3,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "scy@openharmony.io",
      "affectedData": [
        {
          "vendor": "OpenHarmony",
          "product": "OpenHarmony",
          "versions": [
            {
              "status": "affected",
              "version": "v4.1.0",
              "versionType": "custom",
              "lessThanOrEqual": "v5.0.2"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-04-07T03:15:20.457",
  "references": [
    {
      "url": "https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-04.md",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "scy@openharmony.io"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "scy@openharmony.io",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read."
    },
    {
      "lang": "es",
      "value": "En OpenHarmony v5.0.2 y versiones anteriores se permite que un atacante local provoque un ataque DOS mediante lecturas fuera de los límites."
    }
  ],
  "lastModified": "2026-06-17T08:40:40.577",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "162C2405-E867-4928-8FF2-BF0E5C93D920",
              "versionEndIncluding": "5.0.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "scy@openharmony.io"
}