CWE
400
Advisory Published
CVE Published
Updated

CVE-2021-20201

First published: Thu Jan 28 2021(Updated: )

A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Spice Project Spice<0.14.92
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
redhat/spice<0.14.92
0.14.92

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Frequently Asked Questions

  • What is CVE-2021-20201?

    CVE-2021-20201 is a vulnerability in the Spice Project Spice software before version 0.14.92.

  • How does CVE-2021-20201 impact affected systems?

    CVE-2021-20201 could allow remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.

  • What is the severity of CVE-2021-20201?

    CVE-2021-20201 has a severity rating of medium with a CVSS score of 5.3.

  • How can I fix CVE-2021-20201?

    To fix CVE-2021-20201, update the Spice Project Spice software to version 0.14.92 or later.

  • Where can I find more information about CVE-2021-20201?

    You can find more information about CVE-2021-20201 in the references provided: [Link 1](https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks), [Link 2](https://bugzilla.redhat.com/show_bug.cgi?id=1921846), [Link 3](https://security.gentoo.org/glsa/202208-10).

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