CVE-2021-20201

MEDIUM

spice < 0.14.92 - Denial of Service via TLS Renegotiation

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1921846
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202208-10

Scores

CVSS v3 5.3
EPSS 0.0073
EPSS Percentile 72.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-400
Status published
Products (4)
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
spice_project/spice < 0.14.92
Published May 28, 2021
Tracked Since Feb 18, 2026