CVE-2021-27065

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27078.
Overview
  • CVE ID
  • CVE-2021-27065
  • Assigner
  • secure@microsoft.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-03T00:15:12
  • Last Modified Date
  • 2022-07-12T17:42:04
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:* 1 OR
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065 Patch Vendor Advisory
http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27065
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27065
History
Created Old Value New Value Data Type Notes
2022-05-10 16:15:15 Added to TrackCVE
2022-12-05 23:01:24 2021-03-03T00:15Z 2021-03-03T00:15:12 CVE Published Date updated
2022-12-05 23:01:24 2022-07-12T17:42:04 CVE Modified Date updated
2022-12-05 23:01:24 Analyzed Vulnerability Status updated