What is CVE-2021-20446?

CVE-2021-20446 is a medium-severity vulnerability in IBM Maximo For Civil Infrastructure, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-02-18.

How severe is CVE-2021-20446?

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

XSS in IBM Maximo For Civil Infrastructure

CVE-2021-20446

IBM Maximo for Civil Infrastructure 7.6.2 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: 196622.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-02-18 · 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 (44.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

IBM Maximo For Civil Infrastructure — versions 7.6.2
IBM Maximo For Civil Infrastructure — versions 7.6.2
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/6415893 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/196622 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20446?: CVE-2021-20446 is a medium-severity vulnerability in IBM Maximo For Civil Infrastructure, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-02-18.
How severe is CVE-2021-20446?: Medium severity. CVSS v3 base score is 5.4 out of 10.