CVE-2020-23776

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/zhonghaozhao/winmail/issues/3Exploit, Issue Tracking, Third Party Advisory
https://github.com/zhonghaozhao/winmail/issues/3Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jan 26, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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