PT-2019-1166 · Microsoft · Exchange Server

Published 2019-01-08 · Updated 2020-08-24 · CVE-2019-0588

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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

Description: The issue is related to insufficient access control in the Microsoft Exchange Server PowerShell API, which can lead to information disclosure. This allows a remote attacker to access protected information in the Calendar application. The vulnerability grants calendar contributors more view permissions than intended, enabling them to view additional details about the calendar that would normally be hidden.

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

Incorrect Permission

Improper Access Control

Information Disclosure

Weakness Enumeration

CWE-732

CWE-284

CWE-200

Related Identifiers

BDU:2019-00210

CVE-2019-0588

Affected Products

Exchange Server

References · 5

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0588 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00210 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-0588 · Security Note
• https://osv.dev/vulnerability/CVE-2019-0588 · Vendor Advisory
• http://securityfocus.com/bid/106437 · Note