CVE-2020-4701

Name: CVE-2020-4701
Creator: NVD / NIST
Published: 2020-11-19T16:15:10.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2020-4701 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Ibm	Db2	10.5
Ibm	Db2	11.1
Ibm	Db2	11.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/187078VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6370025Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/187078VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6370025Patch, Vendor Advisory

Timeline

Published: Nov 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4701?

How severe is CVE-2020-4701?

CVE-2020-4701 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4701?

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-2020-4701?

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

Scan your code now

Source: NVD / NIST