CVE-2017-11761 : Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input

Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input sanitization issue with Microsoft Exchange that could potentially result in unintended Information Disclosure, aka "Microsoft Exchange Information Disclosure Vulnerability"

Published 2017-09-13 01:29:08

Updated 2017-09-21 16:08:46

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2017-11761

Microsoft » Exchange Server » Version: 2013 Update SP1
cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 6
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 16
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_16:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 17
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_17:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 5
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2017-11761

EPSS FAQ

7.99%

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

~ 91 %

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

CVSS scores for CVE-2017-11761

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2017-11761

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-11761

http://www.securitytracker.com/id/1039320

Microsoft Exchange Server Input Validation Bugs Let Remote Users Obtain Potentially Sensitive Information and Condcut Cross-Site Scripting Attacks - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://www.securityfocus.com/bid/100731

Microsoft Exchange Server CVE-2017-11761 Information Disclosure Vulnerability
Third Party Advisory;VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11761

CVE-2017-11761 | Microsoft Exchange Information Disclosure Vulnerability
Patch;Vendor Advisory

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Vulnerability Details : CVE-2017-11761

Products affected by CVE-2017-11761

Exploit prediction scoring system (EPSS) score for CVE-2017-11761

CVSS scores for CVE-2017-11761

CWE ids for CVE-2017-11761

References for CVE-2017-11761