CVE-2022-21855
CVSS V2 High 7.7
CVSS V3 Critical 9
Description
Microsoft Exchange Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-21846, CVE-2022-21969.
Overview
- CVE ID
- CVE-2022-21855
- Assigner
- secure@microsoft.com
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-11T21:15:10
- Last Modified Date
- 2022-01-14T16:14:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.7
- Severity
- HIGH
- Exploitability Score
- 5.1
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9
- Base Severity
- CRITICAL
- Exploitability Score
- 2.3
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21855 | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-21855 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21855 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:37:26 | Added to TrackCVE | |||
| 2022-12-06 06:08:05 | 2022-01-11T21:15Z | 2022-01-11T21:15:10 | CVE Published Date | updated |
| 2022-12-06 06:08:05 | 2022-01-14T16:14:19 | CVE Modified Date | updated | |
| 2022-12-06 06:08:05 | Analyzed | Vulnerability Status | updated |