CVE-2020-15655 (GCVE-0-2020-15655)

Vulnerability from cvelistv5 – Published: 2020-08-10 17:43 – Updated: 2024-08-04 13:22
VLAI
Summary
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
CWE
  • Extension APIs could be used to bypass Same-Origin Policy
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 504 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
Mozilla Firefox ESR Affected: unspecified , < 78.1 (custom)
guessed Create a notification for this product.
Mozilla Firefox Affected: unspecified , < 79 (custom)
guessed Create a notification for this product.
Mozilla Thunderbird Affected: unspecified , < 78.1 (custom)
guessed Create a notification for this product.
Show details on NVD website

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              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1645204"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4443-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-30/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-32/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-33/"
          }
        ],
        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T16:12:50+00:00",
      "cve": "CVE-2020-15655",
      "id": "CVE-2020-15655",
      "initial_release_date": "2020-07-28T00:00:00+00:00",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: Extension APIs could be used to bypass Same-Origin Policy",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-15655.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-10-17T01:48:04Z",
      "cve": "CVE-2020-15655",
      "id": "CVE-2020-15655",
      "initial_release_date": "2023-02-15T03:56:41Z",
      "product_status:known_affected": "24",
      "product_status:recommended": "451",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-15655",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2020-15655.json",
      "version": "24"
    }
  }
}



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