What is CVE-2021-41391?

CVE-2021-41391 is a medium-severity vulnerability in Ericsson Enterprise Content Management, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-17.

How severe is CVE-2021-41391?

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

XSS in Ericsson Enterprise Content Management

CVE-2021-41391

In Ericsson ECM before 18.0, it was observed that Security Management Endpoint in User Profile Management Section is vulnerable to stored XSS via a name, leading to session hijacking and full account takeover.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-17 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.006 (44.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Ericsson Enterprise Content Management — versions 18.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

the-it-wonders.blogspot.com/2021/09/ericsson-ecm-enterprise-content.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-41391?: CVE-2021-41391 is a medium-severity vulnerability in Ericsson Enterprise Content Management, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-17.
How severe is CVE-2021-41391?: Medium severity. CVSS v3 base score is 5.4 out of 10.