CVE-2020-0645 : A tampering vulnerability exists when Microsoft IIS Server improperly handles ma

A tampering vulnerability exists when Microsoft IIS Server improperly handles malformed request headers, aka 'Microsoft IIS Server Tampering Vulnerability'.

Published 2020-03-12 16:15:13

Updated 2021-07-21 11:39:24

Source Microsoft Corporation

View at NVD, CVE.org

Products affected by CVE-2020-0645

Microsoft » Windows Server 2008 » Version: R2 Update SP1
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2008 » Version: N/A Update SP1
cpe:2.3:o:microsoft:windows_server_2008:-:sp1:*:*:*:*:*:*
Matching versions
Microsoft » Windows 7 » Version: N/A Update SP1
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2012 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2012 » Version: R2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Rt 8.1 » Version: N/A
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: N/A
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1607
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1709
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1803
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1903
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
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Microsoft » Windows 10 » Version: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 1803
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 1903
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 1909
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2019 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-0645

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-0645

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

References for CVE-2020-0645

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0645

CVE-2020-0645 - Security Update Guide - Microsoft - Microsoft IIS Server Tampering Vulnerability
Patch;Vendor Advisory

Jump to

Vulnerability Details : CVE-2020-0645

Products affected by CVE-2020-0645

Exploit prediction scoring system (EPSS) score for CVE-2020-0645

CVSS scores for CVE-2020-0645

References for CVE-2020-0645