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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Winmail Project — versions 6.5
Weakness classification (CWE)
References
- github.com/zhonghaozhao/winmail/issues/3 (Exploit, Third Party Advisory, 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.