CVE-2019-0858 : A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka 'Microsoft Exchange Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-0817.

Published 2019-04-09 21:29:02

Updated 2020-08-24 17:37:01

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2019-0858

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 41 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-0858

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-0858

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

Products affected by CVE-2019-0858

Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 11
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019
cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 22
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 12
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 1
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2019-0858

Exploit prediction scoring system (EPSS) score for CVE-2019-0858

CVSS scores for CVE-2019-0858

CWE ids for CVE-2019-0858

References for CVE-2019-0858

Products affected by CVE-2019-0858