SSRF in Winmail Project

CVE-2020-23776

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.008 (52.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-23776?
CVE-2020-23776 is a high-severity vulnerability in Winmail Project, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2021-01-26.
How severe is CVE-2020-23776?
High severity. CVSS v3 base score is 7.5 out of 10.