FKIE_CVE-2025-5020

Vulnerability from fkie_nvd - Published: 2025-05-21 18:15 - Updated: 2025-06-13 18:55
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS < 139.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1951558Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-39/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "97B66B67-3CD5-4D3F-82E2-7ADA95570AB3",
              "versionEndExcluding": "139.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS \u003c 139."
    },
    {
      "lang": "es",
      "value": "La apertura de URL manipuladas con fines maliciosos en Firefox desde otras aplicaciones como Safari podr\u00eda haber permitido a los atacantes falsificar direcciones de sitios web si las URL utilizaban esquemas que no fueran HTTP utilizados internamente por el cliente Firefox iOS. Esta vulnerabilidad afecta a Firefox para iOS \u0026lt; 139."
    }
  ],
  "id": "CVE-2025-5020",
  "lastModified": "2025-06-13T18:55:32.903",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
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        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-05-21T18:15:53.840",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Permissions Required"
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      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1951558"
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      "tags": [
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      "url": "https://www.mozilla.org/security/advisories/mfsa2025-39/"
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  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-939"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • 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.



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