What is CVE-2021-38927?

CVE-2021-38927 is a high-severity vulnerability in IBM Aspera Console, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-12-25.

How severe is CVE-2021-38927?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in IBM Aspera Console

CVE-2021-38927

IBM Aspera Console 3.4.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 210322.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-12-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.5th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/7101252 (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/210322 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38927?: CVE-2021-38927 is a high-severity vulnerability in IBM Aspera Console, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-12-25.
How severe is CVE-2021-38927?: High severity. CVSS v3 base score is 7.2 out of 10.