CVE-2020-13934

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

14/07/2020

Last modified:

07/11/2023

Description

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	8.5.1 (including)	8.5.56 (including)
cpe:2.3:a:apache:tomcat::::::::	9.0.1 (including)	9.0.36 (including)
cpe:2.3:a:apache:tomcat:9.0.0:milestone10::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone11::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone12::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone13::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone14::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone15::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone16::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone17::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone18::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone19::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone20::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone21::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone22::::::

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	8.5.1 (including)	8.5.56 (including)
cpe:2.3:a:apache:tomcat::::::::	9.0.1 (including)	9.0.36 (including)
cpe:2.3:a:apache:tomcat:9.0.0:milestone10::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone11::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone12::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone13::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone14::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone15::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone16::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone17::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone18::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone19::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone20::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone21::::::
cpe:2.3:a:apache:tomcat:9.0.0:milestone22::::::

CVE-2020-13934

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools