SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS…
Priority MEDIUM 45CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
Why it matters now
EPSS 0.03507 89th 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:securenvoy:securmail:9.3.503:*:*:*:*:*:*:* | 9.3.503 | Vulnerable | SecurEnvoy |
- cpe:2.3:a:securenvoy:securmail:9.3.503:*:*:*:*:*:*:* Versions 9.3.503 Vulnerable ·SecurEnvoy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13376
- 2026-10-03 Alias added: GHSA-33rv-x9gp-7cfh
References
More SecurEnvoy Securmail vulnerabilities
- TI-2018-05551 SecurEnvoy SecurMail before 9.2.501 allows remote attackers to spoof transmission of… CVSS 3.0CRITICAL 9.1
- TI-2018-05554 Directory traversal vulnerability in SecurEnvoy SecurMail before 9.2.501 allows remote… CVSS 3.0HIGH 8.1
- TI-2018-05555 Directory traversal vulnerability in SecurEnvoy SecurMail before 9.2.501 allows remote… CVSS 3.0MEDIUM 6.5
- TI-2018-05553 SecurEnvoy SecurMail before 9.2.501 allows remote authenticated users to read arbitrary… CVSS 3.0MEDIUM 6.5
- TI-2018-05552 Cross-site scripting (XSS) vulnerability in SecurEnvoy SecurMail before 9.2.501 allows… CVSS 3.0MEDIUM 6.1
- TI-2018-05550 Multiple cross-site request forgery (CSRF) vulnerabilities in SecurEnvoy SecurMail before… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2020-13376 · CVE Program
- CVE-2020-13376 · NVD
- FIRST EPSS
- GHSA-33rv-x9gp-7cfh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences