Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-22985

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
12/02/2021
Last modified:
24/02/2021

Description

On BIG-IP APM version 16.0.x before 16.0.1.1, under certain conditions, when processing VPN traffic with APM, TMM consumes excessive memory. A malicious, authenticated VPN user may abuse this to perform a DoS attack against the APM. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

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:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 11.6.1 (including) 11.6.5.2 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 12.1.0 (including) 12.1.5.3 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 13.1.0 (including) 13.1.3.6 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 14.1.0 (including) 14.1.2.8 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 15.1.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1.1 (excluding)

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


References to Advisories, Solutions, and Tools