CVE-2021-20201

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-20201
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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

Configuration 1 (hide)

cpe:2.3:a:spice_project:spice:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
History

21 Nov 2024, 05:46

Type Values Removed Values Added
References () https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks - Exploit, Third Party Advisory () https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks - Exploit, Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=1921846 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1921846 - Issue Tracking, Third Party Advisory
References () https://security.gentoo.org/glsa/202208-10 - Third Party Advisory () https://security.gentoo.org/glsa/202208-10 - Third Party Advisory

21 Oct 2022, 20:02

Type Values Removed Values Added
CWE CWE-400 NVD-CWE-Other
References (GENTOO) https://security.gentoo.org/glsa/202208-10 - (GENTOO) https://security.gentoo.org/glsa/202208-10 - Third Party Advisory

10 Aug 2022, 20:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202208-10 -

04 Jun 2021, 15:34

Type Values Removed Values Added
CVSS v2 : 5.0
v3 : 7.5 		v2 : 5.0
v3 : 5.3

02 Jun 2021, 15:35

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:a:spice_project:spice:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1921846 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1921846 - Issue Tracking, Third Party Advisory
References (MISC) https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks - (MISC) https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks - Exploit, Third Party Advisory

28 May 2021, 11:37

Type Values Removed Values Added
CWE CWE-400

28 May 2021, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-28 11:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20201

Mitre link : CVE-2021-20201

CVE.ORG link : CVE-2021-20201

JSON object : View

Products Affected

redhat

  • enterprise_linux

spice_project

  • spice
CWE
CWE-400

Uncontrolled Resource Consumption

NVD-CWE-Other