CVE-2020-23776
7.5 · HIGHOverview
CVE-2020-23776 is a high-severity vulnerability affecting winmail_project winmail. It was published on January 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from winmail_project. Update winmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2020-23776?
CVE-2020-23776 is a high-severity vulnerability affecting winmail_project winmail. It was published on January 26, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-23776?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-23776?
Check the references section for vendor advisories and patches from winmail_project. Update winmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-23776?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-23776 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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