{"cve":"CVE-2021-30110","nvd":{"published":"2021-07-22T13:15:08.360","modified":"2026-06-17T03:49:40.950","status":"Modified","description":"dttray.exe in Greyware Automation Products Inc Domain Time II before 5.2.b.20210331 allows remote attackers to execute arbitrary code via a URL to a malicious update in a spoofed response to the UDP query used to check for updates.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5},"cwes":[],"references":["https://blog.grimm-co.com/2021/04/time-for-upgrade.html","https://www.greyware.com/software/domaintime/","https://www.greyware.com/software/domaintime/v5/installation/v5x.asp#currentVersion","https://blog.grimm-co.com/2021/04/time-for-upgrade.html","https://www.greyware.com/software/domaintime/"],"products":["greyware:domain_time_ii"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-30110","score":0.01967,"percentile":0.80375,"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."]}