VDB
CVE-2022-21855
CVE-2022-21855
PUBLISHED
CVSS 9 CRITICAL
Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21969.
EPSS 1.53% · 81.7th percentile
Risk Scores
CVSS 3.1
9
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
1.53%
81.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 22 | 15.0.0 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 11 | 15.02.0 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 21 | 15.01.0 |
| microsoft | exchange_server | 15.02.0, 2013, 2016 |
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 10 | 15.02.0 |
Exploit Intelligence
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 (msrc)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21855 (circl)
- Microsoft Exchange Server Remote Code Execution Vulnerability (circl)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
- risk_calculator.cpp (github-poc)
…and 10 more exploits
Timeline
- Jan 11, 2022 CVE Published
- Feb 8, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 24, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Oct 29, 2022 EPSS Score
- Dec 21, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- May 27, 2023 EPSS Score
- Jul 18, 2023 EPSS Score
- Sep 9, 2023 EPSS Score