cve-2020-16969
Vulnerability from cvelistv5
Published
2020-10-16 22:18
Modified
2024-08-04 13:45
Summary
Microsoft Exchange Information Disclosure Vulnerability
Show details on NVD website


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            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16969"
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        "title": "CVE Program Container"
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    "cna": {
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          "platforms": [
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          "product": "Microsoft Exchange Server 2019 Cumulative Update 6",
          "vendor": "Microsoft",
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      "datePublic": "2020-10-13T07:00:00+00:00",
      "descriptions": [
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          "lang": "en-US",
          "value": "\u003cp\u003eAn information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages. An attacker who successfully exploited the vulnerability could use this to gain further information from a user.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning or filtering, from the attacker-controlled URL. This callback vector provides an information disclosure tactic used in web beacons and other types of tracking systems.\u003c/p\u003e\n\u003cp\u003eThe security update corrects the way that Exchange handles these token validations.\u003c/p\u003e\n"
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        "dateUpdated": "2023-12-31T19:19:59.620Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16969"
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      "title": "Microsoft Exchange Information Disclosure Vulnerability"
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    "dateReserved": "2020-08-04T00:00:00",
    "dateUpdated": "2024-08-04T13:45:34.738Z",
    "state": "PUBLISHED"
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