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CVE-2020-4839

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
25/05/2021
Last modified:
28/05/2021

Description

IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
4.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

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

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:ibm:8335-gca_firmware:op820:*:*:*:*:*:*:*
cpe:2.3:h:ibm:8335-gca:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:8335-gta_firmware:op820:*:*:*:*:*:*:*
cpe:2.3:h:ibm:8335-gta:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:8335-gtb_firmware:op820:*:*:*:*:*:*:*
cpe:2.3:h:ibm:8335-gtb:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools