CVE-2021-42321
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 21 | 15.01.0 < 15.01.2308.020 | affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 10 | 15.02.0 < 15.02.0792.019 | affected |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 22 | 15.0.0 < 15.01.2375.017 | affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 11 | 15.02.0 < 15.02.0986.014 | affected |
Weaknesses
- Remote Code Execution
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html
CISA ADP Vulnrichment
- SSVC:
- Exploitation: active
- Automatable: no
- Technical Impact: total
Additional References
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html
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