Overview
- Description
- A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 9
- Impact score
- 10
- Exploitability score
- 8
- Vector string
- AV:N/AC:L/Au:S/C:C/I:C/A:C
Known exploits
Data from CISA
- Vulnerability name
- Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability
- Exploit added on
- Nov 3, 2021
- Exploit action due
- May 3, 2022
- Required action
- Apply updates per vendor instructions.
Weaknesses
- nvd@nist.gov
- CWE-287
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup_30:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "276776E0-F9DA-4F18-A984-5E7811465B80"
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DA166F2A-D83B-4D50-AD0B-668D813E0585"
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "55284CF7-0D04-4216-83FE-4B1F9CA94207"
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA2CE223-AA49-49E6-AC32-59270EFF55AD"
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "104F96DC-E280-4E0A-8586-B043B55888C2"
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "73B3B3FE-7E85-4B86-A983-2C410FFEF4B8"
}
],
"operator": "OR"
}
]
}
]