Spoofing Vulnerability in Microsoft Exchange Server by Microsoft
CVE-2025-25007

5.3MEDIUM

What is CVE-2025-25007?

A vulnerability in Microsoft Exchange Server stems from improper validation of the syntactic correctness of input. This flaw could allow an unauthorized attacker to conduct spoofing attacks on the network, effectively hiding their identity and misleading recipients about the source of the communication. Organizations utilizing affected versions of Microsoft Exchange Server should prioritize security measures to protect against potential exploits facilitated by this weakness.

Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0 < 15.01.2507.058

Microsoft Exchange Server 2019 Cumulative Update 14 x64-based Systems 15.02.0.0 < 15.02.1544.033

Microsoft Exchange Server 2019 Cumulative Update 15 x64-based Systems 15.02.0 < 15.02.1748.036

References

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-25007 : Spoofing Vulnerability in Microsoft Exchange Server by Microsoft