CVE-2020-13376
CRITICALCVSS 9/10EPSS 3.51%
Last modified
CVE-2020-13376 is a critical-severity vulnerability rated 9/10 on the CVSS scale. SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.. EPSS estimates a 3.51% chance of exploitation in the next 30 days.
Description
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Securenvoy | Securmail | 9.3.503 |
References
- https://www.securenvoy.com/en-gb/supportVendor Advisory
- https://www.securenvoy.com/en-gb/supportVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13376?
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
How severe is CVE-2020-13376?
CVE-2020-13376 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 3.51% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13376?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-13376?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST