cvelistv5 - CVE-2020-16944

CVE-2020-16944

Vulnerability from cvelistv5

Published

2020-10-16 22:17

Modified

2024-08-04 13:45

Severity ?

8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:P/RL:O/RC:C

Summary

Microsoft SharePoint Reflective XSS Vulnerability

References

▼	URL	Tags
	secure@microsoft.com	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16944	Patch, Vendor Advisory

Impacted products

▼	Vendor	Product
	Microsoft	Microsoft SharePoint Enterprise Server 2016
	Microsoft	Microsoft SharePoint Server 2019
	Microsoft	Microsoft SharePoint Foundation 2013 Service Pack 1

Show details on NVD website

JSON

To clipboard

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            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16944"
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        ],
        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"
          ],
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SharePoint Enterprise Server 2016",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "16.0.0",
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          "value": "\u003cp\u003eThis vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.\u003c/p\u003e\n\u003cp\u003eAn authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected SharePoint server. The attacker who successfully exploited this vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. These attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim\u0027s identity to take actions on the SharePoint site on behalf of the victim, such as change permissions, delete content, steal sensitive information (such as browser cookies) and inject malicious content in the browser of the victim.\u003c/p\u003e\n\u003cp\u003eFor this vulnerability to be exploited, a user must click a specially crafted URL that takes the user to a targeted SharePoint Web App site.\u003c/p\u003e\n\u003cp\u003eIn an email attack scenario, an attacker could exploit the vulnerability by sending an email message containing the specially crafted URL to the user of the targeted SharePoint Web App site and convincing the user to click the specially crafted URL.\u003c/p\u003e\n\u003cp\u003eIn a web-based attack scenario, an attacker would have to host a website that contains a specially crafted URL to the targeted SharePoint Web App site that is used to attempt to exploit these vulnerabilities. In addition, compromised websites and websites that accept or host user-provided content could contain specially crafted content that could exploit the vulnerability. An attacker would have no way to force users to visit a specially crafted website. Instead, an attacker would have to convince them to visit the website, typically by getting them to click a link in an instant messenger or email message that takes them to the attacker\u0027s website, and then convince them to click the specially crafted URL.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes user web requests.\u003c/p\u003e\n"
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      "title": "Microsoft SharePoint Reflective XSS Vulnerability"
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2020-16944

Vulnerability from cvelistv5

ghsa-879j-7rrf-6xvm

Vulnerability from github

gsd-2020-16944

Vulnerability from gsd

Tags

Sightings

Nomenclature