CVE-2023-30431

Name: CVE-2023-30431
Creator: NVD / NIST
Published: 2023-07-10T16:15:51.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2023-30431 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 db2set is vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code. EPSS estimates a 0.31% 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 db2set is vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code. IBM X-Force ID: 252184.

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

0.31%

22.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ibm	Db2	10.5.0.11
Ibm	Db2	11.1.4.7
Ibm	Db2	11.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/252184VDB Entry, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010565Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/252184VDB Entry, Vendor Advisory
https://security.netapp.com/advisory/ntap-20230731-0007/
https://www.ibm.com/support/pages/node/7010565Patch, Vendor Advisory

Timeline

Published: Jul 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30431?

How severe is CVE-2023-30431?

CVE-2023-30431 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30431?

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-2023-30431?

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

Scan your code now

Source: NVD / NIST