CVE-2020-13376
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command...
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
- Record
CVE-2020-13376- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
- Record
CVE-2020-13376- Updated
- 2026-11-02
EUVDEUVD-2020-5635 No score
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
- Record
EUVD-2020-5635- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-33rv-x9gp-7cfh No score
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command...
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
- Record
GHSA-33rv-x9gp-7cfh- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13376 is a critical vulnerability (CVSS 9.0) in Securenvoy Securmail, published August 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.51%, the 89th percentile. No source names a fixed version.