Attacker Value
Unknown
0
CVE-2021-31207
0
CVE ID
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CVE-2021-31207
(Last updated July 27, 2024) ▾
MITRE ATT&CK
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Collection
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Credential Access
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Persistence
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Privilege Escalation
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Metasploit Module
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Description
Microsoft Exchange Server Security Feature Bypass Vulnerability
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.6 Medium
Impact Score:
5.9
Exploitability Score:
0.7
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Microsoft Exchange Server 2013 Cumulative Update 23 15.00.1497.018
Microsoft Exchange Server 2019 Cumulative Update 9 15.02.0858.012
Microsoft Exchange Server 2016 Cumulative Update 20 15.01.2242.010
Microsoft Exchange Server 2016 Cumulative Update 19 15.01.2176.014
Microsoft Exchange Server 2019 Cumulative Update 8 15.02.0792.015
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- microsoft
Products
- exchange server 2013,
- exchange server 2016,
- exchange server 2019
Exploited in the Wild
gwillcox-r7
indicated sources as
- Government or Industry Alert (https://www.ic3.gov/Media/News/2022/220318.pdf)
- Threat Feed (https://cybersecurityworks.com/blog/ransomware/all-about-hive-ransomware.html)
- News Article or Blog (https://securityaffairs.co/wordpress/131218/apt/iran-cobalt-mirage-ransomware-attacks.html)
Would you like to delete this Exploited in the Wild Report?
Yes, delete this reportAttackerKB Worker indicated source as
Government or Industry Alert (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)
Would you like to delete this Exploited in the Wild Report?
Yes, delete this reportReferences
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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