{"cve":"CVE-2020-23776","nvd":{"published":"2021-01-26T22:15:11.950","modified":"2026-06-17T03:04:58.347","status":"Modified","description":"A SSRF vulnerability exists in Winmail 6.5 in app.php in the key parameter when HTTPS is on. An attacker can use this vulnerability to cause the server to send a request to a specific URL. An attacker can modify the request header 'HOST' value to cause the server to send the request.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-918"],"references":["https://github.com/zhonghaozhao/winmail/issues/3","https://github.com/zhonghaozhao/winmail/issues/3"],"products":["winmail_project:winmail"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-23776","score":0.00796,"percentile":0.56481,"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."]}