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13 lines
4.9 KiB
Markdown
13 lines
4.9 KiB
Markdown
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## Microsoft Exchange Server Remote Command Execution Vulnerability (CVE-2021-26857/CVE-2021-26858)
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| **Vulnerability** | **Microsoft Exchange Server Remote Command Execution Vulnerability (CVE-2021-26857/CVE-2021-26858)** |
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| :----: | :-----|
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| **Chinese name** | Microsoft Exchange Server 远程命令执行漏洞（CVE-2021-26857/CVE-2021-26858） |
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| **CVSS core** | 7.8 |
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| **FOFA Query** (click to view the results directly)| [banner="Microsoft ESMTP MAIL Service" \|\| banner="Microsoft Exchange Server" \|\| banner="Microsoft Exchange Internet Mail Service" \|\| banner="Microsoft SMTP MAIL" \|\| banner="Microsoft Exchange" \|\| (banner="owa" && banner="Location" && cert!="Technicolor") \|\| banner="Set-Cookie: OutlookSession" \|\| (((header="owa" && (header="Location" \|\| header="X-Owa-Version" \|\| header="Set-Cookie: OWA-COOKIE")) \|\| (body="href=\\\"/owa/auth/" && (title="Outlook" \|\| title="Exchange " \|\| body="var a_sLgn" \|\| body="aria-label=\\\"Outlook Web App\\\" class=\\\"signInImageHeader"))) && header!="WordPress" && body!="wp-content" && body!="wp-includes") \|\| body="\<!-- owapage = ASP.auth_logon_aspx" \|\| header="x-owa-version" \|\| body="window.location.replace(\\\"/owa/\\\" + window.location.hash);\</script>\</head>\<body>\</body>" \|\| body="\<meta http-equiv=\\\"Refresh\\\" contect=\\\"0;url=/owa\\\">" \|\| body="themes/resources/segoeui-semibold.ttf" \|\| title=="Microsoft Outlook Web Access" \|\| body="aria-label=\\\"Outlook Web App" \|\| title="Outlook Web Access" \|\| header="OutlookSession" \|\| (body=".mouse .owaLogoContainer, .twide .owaLogoContainer" && body="owaLogoContainer") \|\| (body="\<div class=\\\"signInHeader\\\">Outlook\</div>" && body="/owa/") \|\| (body="owapage = ASP.auth_logon_aspx" && body="/owa/" && (body="showPasswordCheck" \|\| body="Outlook")) \|\| (title="Outlook Web App" && body="Microsoft Corporation") \|\| header="realm=\\\"Outlook Web App" \|\| ((body="使用 Outlook Web App " \|\| body=" use Outlook Web App") && body="Microsoft Corporation")](https://fofa.info/result?qbase64=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%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%2F55SoIE91dGxvb2sgV2ViIEFwcCAiIHx8IGJvZHk9IiB1c2UgT3V0bG9vayBXZWIgQXBwIikgJiYgYm9keT0iTWljcm9zb2Z0IENvcnBvcmF0aW9uIik%3D) |
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| **Number of assets affected** | 2198588 |
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| **Description** | Microsoft Exchange Server is a suite of e-mail services programs from Microsoft Corporation of the United States. It provides mail access, storage, forwarding, voicemail, email filtering and filtering functions. Microsoft Exchange Server has a remote command execution vulnerability. Attackers can use this vulnerability to arbitrarily execute code on the server side, write backdoors, obtain server permissions, and then control the entire web server. |
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| **Impact** | Microsoft Exchange Server has a remote code execution vulnerability. Attackers can use this vulnerability to arbitrarily execute code on the server side, write backdoors, obtain server permissions, and then control the entire web server. |
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