CVE-2020-4545

Name: CVE-2020-4545
Creator: NVD / NIST
Published: 2020-09-04T14:15:11.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 3.00%

Last modified Jun 17, 2026

CVE-2020-4545 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. IBM Aspera Connect 3.9.9 could allow a remote attacker to execute arbitrary code on the system, caused by improper loading of Dynamic Link Libraries by the import feature. By persuading a victim to open a specially-crafted .DLL file, an attacker could exploit this vulnerability to execute arbitrary code on the system. EPSS estimates a 3.00% chance of exploitation in the next 30 days.

Description

IBM Aspera Connect 3.9.9 could allow a remote attacker to execute arbitrary code on the system, caused by improper loading of Dynamic Link Libraries by the import feature. By persuading a victim to open a specially-crafted .DLL file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 183190.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

3.00%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-426

Affected Software

Vendor	Product	Versions
Ibm	Aspera Connect	<= 3.9.9

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/183190VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6326537Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/183190VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6326537Vendor Advisory

Timeline

Published: Sep 4, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4545?

How severe is CVE-2020-4545?

CVE-2020-4545 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 3.00% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4545?

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-2020-4545?

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

Scan your code now

Source: NVD / NIST