CVE-2020-4387

Name: CVE-2020-4387
Creator: NVD / NIST
Published: 2020-07-01T15:15:14.923+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2020-4387 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to obtain sensitive information using a race condition of a symbolic link. IBM X-Force ID: 179269.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to obtain sensitive information using a race condition of a symbolic link. IBM X-Force ID: 179269.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.24%

14.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Ibm	Db2	9.7.0.0
Ibm	Db2	10.1.0.0
Ibm	Db2	10.5.0.0
Ibm	Db2	11.1.0.0
Ibm	Db2	11.5.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/179269VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6242336Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/179269VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6242336Patch, Vendor Advisory

Timeline

Published: Jul 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4387?

How severe is CVE-2020-4387?

CVE-2020-4387 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4387?

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-2020-4387?

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

Scan your code now

Source: NVD / NIST