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[email protected]CVE-2021-42321

HistoryNov 10, 2021 - 1:19 a.m.

CVE-2021-42321

2021-11-1001:19:50

[email protected]

web.nvd.nist.gov

1470

In Wild

cve-2021-42321

nvd

microsoft exchange server

remote code execution

vulnerability

security

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.965 High

EPSS

Percentile

99.6%

JSON

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected configurations

Vulners

NVD

Node

microsoftexchange_serverRange15.01.0–15.01.2308.020cumulative update 21

microsoftexchange_serverRange15.02.0–15.02.0792.019cumulative update 10

microsoftexchange_serverRange15.0.0–15.01.2375.017cumulative update 22

microsoftexchange_serverRange15.02.0–15.02.0986.014cumulative update 11

VendorProductVersionCPE
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 21:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 10:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 22:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 11:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 21::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 10::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 22::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 11::::::*

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2016 Cumulative Update 21",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.01.0",
        "lessThan": "15.01.2308.020",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2019 Cumulative Update 10",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0",
        "lessThan": "15.02.0792.019",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2016 Cumulative Update 22",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.0.0",
        "lessThan": "15.01.2375.017",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2019 Cumulative Update 11",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0",
        "lessThan": "15.02.0986.014",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]