What is CVE-2019-4326?

CVE-2019-4326 is a high-severity vulnerability in Hcltech Appscan, classified under Improper Encoding or Escaping of Output. CVSS score: 7.5/10. Published 2020-10-06.

How severe is CVE-2019-4326?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Hcltech Appscan

CVE-2019-4326

"HCL AppScan Enterprise security rules update administration section of the web application console is missing HTTP Strict-Transport-Security Header."

Published 2020-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Hcltech Appscan
"Hcl Appscan Enterprise " — versions "10.0.0 and below"

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

support.hcltechsw.com/csm (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4326?: CVE-2019-4326 is a high-severity vulnerability in Hcltech Appscan, classified under Improper Encoding or Escaping of Output. CVSS score: 7.5/10. Published 2020-10-06.
How severe is CVE-2019-4326?: High severity. CVSS v3 base score is 7.5 out of 10.