TI-2020-14671 Aliases CVE-2020-23776 GHSA-r62f-j7fr-mvvx

A SSRF vulnerability exists in Winmail 6.5 in app.php in the key parameter when HTTPS is…

LOW 34CWE-918Published 2021-01-26 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00796 56th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:winmail_project:winmail:6.5:::::::*	6.5	Vulnerable	Winmail Project

cpe:2.3:a:winmail_project:winmail:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Winmail Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-23776
2026-10-03 Alias added: GHSA-r62f-j7fr-mvvx

References

Exploit 1

https://github.com/zhonghaozhao/winmail/issues/3

TI-2020-14670 A reflected XSS vulnerability exists in tohtml/convert.php of Winmail 6.5, which can… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences