CVE-2020-4433

Name: CVE-2020-4433
Creator: NVD / NIST
Published: 2020-06-10T13:15:17.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.13%

Last modified Jun 17, 2026

CVE-2020-4433 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a remote attacker with intimate knowledge of the server to execute arbitrary code on the system with the privileges of root or cause server to crash. EPSS estimates a 5.13% chance of exploitation in the next 30 days.

Description

Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a remote attacker with intimate knowledge of the server to execute arbitrary code on the system with the privileges of root or cause server to crash. IBM X-Force ID: 180814.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.13%

91.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ibm	Aspera Application Platform On Demand	<= 3.7.4
Ibm	Aspera Faspex On Demand	<= 3.7.4
Ibm	Aspera High-Speed Transfer Endpoint	<= 3.9.3
Ibm	Aspera High-Speed Transfer Server	<= 3.9.3
Ibm	Aspera High-Speed Transfer Server For Cloud Pak For Integration	<= 3.9.10
Ibm	Aspera Proxy Server	<= 1.4.3
Ibm	Aspera Server On Demand	<= 3.7.4
Ibm	Aspera Shares On Demand	<= 3.7.4
Ibm	Aspera Streaming	<= 3.9.3
Ibm	Aspera Transfer Cluster Manager	<= 1.3.1

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/180814VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221324Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/180814VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6221324Vendor Advisory

Timeline

Published: Jun 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4433?

How severe is CVE-2020-4433?

CVE-2020-4433 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.13% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4433?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4433?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST