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[email protected]CVE-2021-42305

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

CVE-2021-42305

2021-11-1001:19:49

[email protected]

web.nvd.nist.gov

203

In Wild

microsoft exchange

spoofing

vulnerability

cve-2021-42305

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.8%

JSON

Microsoft Exchange Server Spoofing Vulnerability

Affected configurations

Vulners

NVD

Node

microsoftexchange_serverRange15.00.0–15.00.1497.026cumulative update 23

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 23:*:*:*:*:*:*
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 23::::::*
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 2013 Cumulative Update 23",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.00.0",
        "lessThan": "15.00.1497.026",
        "versionType": "custom",
        "status": "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"
      }
    ]
  }
]