DevExpress.XtraReports.UI through v21.1 allows attackers to execute arbitrary code via insecure deserialization.
Conclusion & alert: CVE-2021-36483 is rated Moderate Risk (63.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.90%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-06-15 | 4.20% | 2.90% | -1.30% |
| 2 | 2026-01-19 | 1.95% | 4.20% | +2.25% |
| 3 | 2025-11-21 | — | 1.95% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| devexpress | devexpress | <= 21.1 | cpe:2.3:a:devexpress:devexpress:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/tree-chtsec/27013ed6cb297b24e44f6359439b678e | Third Party Advisory |
| https://supportcenter.devexpress.com/ticket/details/t1031535/reporting-unsafe-data-type-deserialization | Permissions Required Vendor Advisory |
| https://supportcenter.devexpress.com/ticket/details/t708194/net-web-controls-unsafe-data-type-deserialization | Permissions Required Vendor Advisory |
| https://supportcenter.devexpress.com/ticket/details/t714296/net-desktop-controls-unsafe-data-type-deserialization | Permissions Required Vendor Advisory |
| https://www.chtsecurity.com/news/a01d1bc6-19c8-4187-b343-6bc685efe64f | Third Party Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-22-341/ | Third Party Advisory VDB Entry |