What is the CVSS score of CVE-2020-4436?

CVE-2020-4436 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.1%.

Aspera Application Platform On Demand CVE-2020-4436

HIGH

Classic Buffer Overflow (CWE-120)

2020-06-10 psirt@us.ibm.com

Buffer Overflow RCE IBM Aspera Application Platform On Demand Aspera Faspex On Demand Aspera High Speed Transfer Endpoint Aspera High Speed Transfer Server Aspera High Speed Transfer Server For Cloud Pak For Integration Aspera Proxy Server Aspera Server On Demand Aspera Shares On Demand Aspera Streaming Aspera Transfer Cluster Manager

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 10, 2020 - 13:15 nvd

HIGH 7.5

DescriptionNVD

Certain IBM Aspera applications are vulnerable to buffer overflow after valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code through a service. IBM X-Force ID: 180902.

AnalysisAI

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Certain IBM Aspera applications are vulnerable to buffer overflow after valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code through a service. IBM X-Force ID: 180902. Affected products include: Ibm Aspera Application Platform On Demand, Ibm Aspera Faspex On Demand, Ibm Aspera High-Speed Transfer Endpoint, Ibm Aspera High-Speed Transfer Server, Ibm Aspera High-Speed Transfer Server For Cloud Pak For Integration.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.