An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with invalid display names, which, when added to conversations, remain invisible. This security update addresses the issue by validating display names upon creation in Microsoft Exchange, and by rendering invalid display names correctly in Microsoft Outlook clients., aka 'Microsoft Exchange Information Disclosure Vulnerability'.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 9 products from microsoft, from microsoft, from microsoft and 6 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2019-07-15T19:15:17.873
2024-11-21T04:35:59.043
Modified
CVSSv3.0: 6.5 (MEDIUM)
AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | microsoft | exchange_server | 2010 | Yes |
| Application | microsoft | exchange_server | 2013 | Yes |
| Application | microsoft | exchange_server | 2016 | Yes |
| Application | microsoft | exchange_server | 2016 | Yes |
| Application | microsoft | exchange_server | 2016 | Yes |
| Application | microsoft | exchange_server | 2016 | Yes |
| Application | microsoft | lync | 2013 | Yes |
| Application | microsoft | lync_basic | 2013 | Yes |
| Application | microsoft | mail_and_calendar | - | Yes |
| Application | microsoft | office | 2010 | Yes |
| Application | microsoft | office | 2013 | Yes |
| Application | microsoft | office | 2016 | Yes |
| Application | microsoft | office | 2016 | Yes |
| Application | microsoft | office | 2019 | Yes |
| Application | microsoft | office | 2019 | Yes |
| Application | microsoft | office_365_proplus | - | Yes |
| Application | microsoft | outlook | - | Yes |
| Application | microsoft | outlook | 2013 | Yes |
| Application | microsoft | outlook | 2016 | Yes |
| Application | microsoft | outlook | 2016 | Yes |
| Application | microsoft | skype_for_business | 2016 | Yes |
| Application | microsoft | skype_for_business_basic | 2016 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.