What is the CVSS score of CVE-2020-4435?

CVE-2020-4435 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: 1.6%.

Aspera Application Platform On Demand CVE-2020-4435

HIGH

Out-of-bounds Write (CWE-787)

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

Buffer Overflow RCE IBM Memory Corruption 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 arbitrary memory corruption based on the product configuration, which could allow an attacker with intimate knowledge of the system to execute arbitrary code or perform a denial-of-service (DoS) through the http fallback service. IBM X-Force ID: 180901.

AnalysisAI

Certain IBM Aspera applications are vulnerable to arbitrary memory corruption based on the product configuration, which could allow an attacker with intimate knowledge of the system to execute. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

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. Certain IBM Aspera applications are vulnerable to arbitrary memory corruption based on the product configuration, which could allow an attacker with intimate knowledge of the system to execute arbitrary code or perform a denial-of-service (DoS) through the http fallback service. IBM X-Force ID: 180901. 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. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).