CVE-2020-23776

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zhonghaozhao/winmail/issues/3 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-23776?
CVE-2020-23776 has been scored as a high severity vulnerability.
How to fix CVE-2020-23776?
To fix CVE-2020-23776, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-23776 being actively exploited in the wild?
It is possible that CVE-2020-23776 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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