{"cve":"CVE-2021-42777","nvd":{"published":"2022-10-29T17:15:09.640","modified":"2026-06-17T04:10:07.693","status":"Modified","description":"Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0, when Compilation Mode is used, allows an attacker to execute arbitrary C# code on any machine that renders a report, including the application server or a user's local machine, as demonstrated by System.Diagnostics.Process.Start.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-209"],"references":["http://burninatorsec.blogspot.com/2022/04/library-rce-object-chaining-cve-2021.html","http://burninatorsec.blogspot.com/2022/04/library-rce-object-chaining-cve-2021.html"],"products":["stimulsoft:reports"],"source":"nvd","synced_at":"2026-10-19T21:37:08.729216836+00:00"},"epss":{"cve":"CVE-2021-42777","score":0.01151,"percentile":0.66946,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}