Microsoft Exchange Server Spoofing Vulnerability
CVE-2021-24085
Key Information:
- Vendor
Microsoft
- Status
- Vendor
- CVE Published:
- 25 February 2021
Badges
What is CVE-2021-24085?
Microsoft Exchange Server Spoofing Vulnerability

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.
Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.
Affected Version(s)
Microsoft Exchange Server 2016 Cumulative Update 18 x64-based Systems 15.01.0
Microsoft Exchange Server 2016 Cumulative Update 19 x64-based Systems 15.01.0
Microsoft Exchange Server 2019 Cumulative Update 7 x64-based Systems 15.02.0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
18% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
Vulnerability published
- π‘
Public PoC available
- πΎ
Exploit known to exist
Vulnerability Reserved