PT-2019-2249 · Microsoft · Sharepoint Server

Published 2019-05-14 · Updated 2020-08-24 · CVE-2019-0957

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Server (affected versions not specified)

Description The issue arises from Microsoft SharePoint Server's failure to properly sanitize specially crafted web requests, allowing an attacker to perform cross-site scripting attacks and elevate their privileges. This could enable the attacker to read unauthorized content, use the victim's identity to take actions on the SharePoint site, and inject malicious content into the user's browser.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

XSS

Weakness Enumeration

CWE-20

CWE-264

CWE-79

Related Identifiers

BDU:2019-02020

CVE-2019-0957

Affected Products

Sharepoint Server

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-0957 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0957 · Security Note
• https://osv.dev/vulnerability/CVE-2019-0957 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0957 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02020 · Security Note