Description
Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Unchanged
RL
O
RC
Changed
Affected products
- Microsoft / Microsoft Exchange Server 2016 Cumulative Update 2315.01.0.0 – 15.01.2507.077
- Microsoft / Microsoft Exchange Server 2019 Cumulative Update 1415.02.0.0 – 15.02.1544.050
- Microsoft / Microsoft Exchange Server 2019 Cumulative Update 1515.02.0.0 – 15.02.1748.055
- Microsoft / Microsoft Exchange Server Subscription Edition RTM15.02.0.0 – 15.02.2562.056
References
Updated 24m ago · 8 sources