{"cve":"CVE-2021-45226","nvd":{"published":"2022-01-24T20:15:08.457","modified":"2026-06-17T04:13:12.433","status":"Modified","description":"An issue was discovered in COINS Construction Cloud 11.12. Due to improper validation of user-controlled HTTP headers, attackers can cause it to send password-reset e-mails pointing to arbitrary websites.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-116"],"references":["https://appsource.microsoft.com/en-us/product/web-apps/constructionindustrysolutionslimited-5057232.coinsconstructioncloud?tab=overview","https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-051.txt","https://www.syss.de/pentest-blog/multiple-schwachstellen-im-coins-construction-cloud-erp-syss-2021-028/-029/-030/-031/-051/-052/-053","https://appsource.microsoft.com/en-us/product/web-apps/constructionindustrysolutionslimited-5057232.coinsconstructioncloud?tab=overview","https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-051.txt"],"products":["coins-global:coins_construction_cloud"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-45226","score":0.01384,"percentile":0.72203,"date":"2026-11-01"},"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."]}