CVE-2021-20201

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
n/a	spice	spice 0.14.92

References

https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacksExploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1921846Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202208-10Third Party Advisory
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacksExploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1921846Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202208-10Third Party Advisory

Timeline

Published: May 28, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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