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cve[email protected]CVE-2021-34518
HistoryJul 14, 2021 - 6:15 p.m.

CVE-2021-34518

2021-07-1418:15:12
web.nvd.nist.gov
77
6
microsoft
excel
remote code execution
vulnerability
cve-2021-34518
nvd

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.106 Low

EPSS

Percentile

95.1%

Microsoft Excel Remote Code Execution Vulnerability

Affected configurations

Vulners
NVD
Node
microsoftmicrosoft_excel_2016Range16.0.0.0–16.0.5188.100
OR
microsoftmicrosoft_excel_2016Range16.0.0.0–16.0.5188.1000
OR
microsoftmicrosoft_excel_2013_sp1Range15.0.0.0–15.0.5363.1000sp1
OR
microsoftoffice_web_appsRange15.0.1–15.0.5363.1000
VendorProductVersionCPE
microsoftmicrosoft_excel_2016*cpe:2.3:a:microsoft:microsoft_excel_2016:*:*:*:*:*:*:*:*
microsoftmicrosoft_excel_2016*cpe:2.3:a:microsoft:microsoft_excel_2016:*:*:*:*:*:*:*:*
microsoftmicrosoft_excel_2013_sp1*cpe:2.3:a:microsoft:microsoft_excel_2013_sp1:*:sp1:*:*:*:*:*:*
microsoftoffice_web_apps*cpe:2.3:a:microsoft:office_web_apps:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Excel 2016",
    "cpes": [
      "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*",
      "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.5188.100",
        "versionType": "custom",
        "status": "affected"
      },
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.5188.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Excel 2013 Service Pack 1",
    "cpes": [
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*",
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*",
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*"
    ],
    "platforms": [
      "ARM64-based Systems",
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.0.0.0",
        "lessThan": "15.0.5363.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office Web Apps Server 2013 Service Pack 1",
    "cpes": [
      "cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "15.0.1",
        "lessThan": "15.0.5363.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

Social References

More

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

0.106 Low

EPSS

Percentile

95.1%