{"id":"CVE-2020-23776","aliases":["EUVD-2020-16516","GHSA-r62f-j7fr-mvvx"],"status":"published","title":"A SSRF vulnerability exists in Winmail 6.5 in app.php in the key parameter when HTTPS is on. An...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00796,"percentile":0.56785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2021-01-26T21:02:19Z","modified":"2026-06-17T03:04:58Z","products":[{"vendor":"winmail_project","product":"winmail"}],"references":[{"url":"https://github.com/zhonghaozhao/winmail/issues/3","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23776"},{"url":"https://github.com/advisories/GHSA-r62f-j7fr-mvvx"}],"sources":{"cve":[{"id":"CVE-2020-23776","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.","status":"published","published":"2021-01-26T21:02:19Z","modified":"2024-08-04T15:05:10.824Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-16516","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.","status":"published","published":"2021-01-26T21:02:19Z","modified":"2024-08-04T15:05:10Z","updated_at":"2026-11-03T03:07:21.209139Z"}],"ghsa":[{"id":"GHSA-r62f-j7fr-mvvx","title":"A SSRF vulnerability exists in Winmail 6.5 in app.php in the key parameter when HTTPS is on. An...","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.","status":"published","published":"2022-05-24T17:40:07Z","modified":"2023-01-29T05:05:09Z","cwes":["CWE-918"],"updated_at":"2026-11-02T14:45:43.481618Z"}],"nvd":[{"id":"CVE-2020-23776","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.","status":"published","published":"2021-01-26T22:15:11.95Z","modified":"2026-06-17T03:04:58.347Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}