What is CVE-2024-40686?

CVE-2024-40686 is a medium-severity vulnerability in Ibm Smartcloud Analytics Log Analysis, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2025-07-23.

How severe is CVE-2024-40686?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Ibm Smartcloud Analytics Log Analysis

CVE-2024-40686

IBM SmartCloud Analytics - Log Analysis 1.3.7.0, 1.3.7.1, 1.3.7.2, 1.3.8.0, 1.3.8.1, and 1.3.8.2 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

EPSS: 0.002 (7.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Ibm Smartcloud Analytics Log Analysis — versions 1.3.7.0, 1.3.7.1, 1.3.7.2, 1.3.8.0, 1.3.8.1, 1.3.8.2
Ibm Smartcloud_analytics_log_analysis — versions 1.3.7.0, 1.3.7.1, 1.3.7.2

Weakness classification (CWE)

CWE-644 — Improper Neutralization of HTTP Headers for Scripting Syntax

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-40686?: CVE-2024-40686 is a medium-severity vulnerability in Ibm Smartcloud Analytics Log Analysis, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2025-07-23.
How severe is CVE-2024-40686?: Medium severity. CVSS v3 base score is 5.4 out of 10.