IBM Cognos Controller 11.0.0 through 11.1.0 is vulnerable to a Client-Side Desync (CSD) attack where an attacker could exploit a desynchronized browser connection that could lead to further cross-site scripting (XSS) attacks.
Conclusion & alert: CVE-2022-39163 is rated Low Risk (36.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.26%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-04 | 0.13% | 0.26% | +0.13% |
| 2 | 2026-05-04 | 0.17% | 0.13% | -0.04% |
| 3 | 2026-01-20 | — | 0.17% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.7 | 3.1 | MEDIUM |
|
1.6 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | cognos_controller | >= 11.0.0, <= 11.0.1 | cpe:2.3:a:ibm:cognos_controller:*:*:*:*:*:*:*:* |
| ibm | controller | 11.1.0 | cpe:2.3:a:ibm:controller:11.1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7192746 | Vendor Advisory |