CVE-2021-31207
6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Microsoft Exchange Server Security Feature Bypass Vulnerability
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 < 15.00.1497.018 | affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 9 | 15.02.0 < 15.02.0858.012 | affected |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 20 | 15.01.0 < 15.01.2242.010 | affected |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 19 | 15.01.0 < 15.01.2176.014 | affected |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 8 | 15.02.0 < 15.02.0792.015 | affected |
Weaknesses
- Defense in Depth
ADP Enrichment
CVE Program Container
Additional References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207
- https://www.zerodayinitiative.com/advisories/ZDI-21-819/
- http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-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-2021-31207
- https://www.zerodayinitiative.com/advisories/ZDI-21-819/
- http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
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