What is the CVSS score of CVE-2020-4721?

CVE-2020-4721 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a patch available for CVE-2020-4721?

Yes, a patch is available for CVE-2020-4721. Update the affected software to the latest version immediately.

I2 Analysts Notebook CVE-2020-4721

HIGH

Out-of-bounds Write (CWE-787)

2020-10-29 psirt@us.ibm.com

Buffer Overflow RCE IBM Memory Corruption I2 Analysts Notebook

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 29, 2020 - 16:15 nvd

HIGH 7.8

DescriptionNVD

IBM i2 Analyst Notebook 9.2.0 and 9.2.1 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 187868.

AnalysisAI

IBM i2 Analyst Notebook 9.2.0 and 9.2.1 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. IBM i2 Analyst Notebook 9.2.0 and 9.2.1 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 187868. Affected products include: Ibm I2 Analysts Notebook.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).