CVE-2021-20201 — Vulnetix

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CVE-2021-20201 PUBLISHED

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.

EPSS 0.73% · 72.5th percentile

Risk Scores

EPSS Score

0.73%

72.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:14.04:LTS	spice	0.12.4-0nocelt2ubuntu1.4, 0.12.4-0nocelt2ubuntu1.5, 0.12.4-0nocelt2ubuntu1.6
Ubuntu:20.04:LTS	spice	0, 0.14.2-0ubuntu2, 0.14.2-4ubuntu1
Ubuntu:18.04:LTS	spice	0.14.0-1ubuntu2.5, 0, 0.12.8-2.2
Ubuntu:16.04:LTS	spice	0.12.5-1.1ubuntu2, 0.12.6-4, 0.12.6-4ubuntu0.1

Timeline

May 28, 2021 CVE Published
May 29, 2021 EPSS Score
Jul 31, 2021 EPSS Score
Sep 29, 2021 EPSS Score
Nov 29, 2021 EPSS Score
Jan 28, 2022 EPSS Score
Mar 30, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 30, 2022 EPSS Score
Jul 30, 2022 EPSS Score
Sep 29, 2022 EPSS Score
Nov 28, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-20201 third-party-advisory
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2021-20201 third-party-advisory

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