CVE-2020-0645
vulnerability analysis and mitigation

Overview

A tampering vulnerability (CVE-2020-0645) was identified in Microsoft IIS Server that exists when the server improperly handles malformed request headers. This vulnerability was disclosed in March 2020 and affects various versions of Microsoft Windows systems running IIS Server (NVD, MITRE).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs no privileges or user interaction, and can result in high impact to integrity (NVD).

Impact

If successfully exploited, this tampering vulnerability could allow an attacker to manipulate server responses through malformed request headers, potentially leading to security bypass or information disclosure scenarios (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. System administrators should apply the appropriate security patches through Windows Update or manual installation of the security updates (MSRC).

Additional resources


SourceThis report was generated using AI

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management