CVE-2020-13376 json
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply coo…
published 2020-08-07 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5635
- cvss
- 9.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.5%
- EPSS 3.5% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
SecurEnvoy SecurMail 9.3.503 allows attackers to upload executable files and achieve OS command execution via a crafted SecurEnvoyReply cookie.
Exploit prediction
3.51% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- sidechannel.tempestsi.com https://sidechannel.tempestsi.com/path-traversal-vulnerability-in-securenvoy-impacts-on-remote-command-execution-through-file-upload-ec2e731bd50a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
sidechannel.tempestsi.com
/path-traversal-vulnerability-in-securenvoy-impacts-on-remote-command-execution-through-file-upload-ec2e731bd5
exploit, third-party-advisory
-
securenvoy.com
/en-gb/support
vendor-advisory
Sources
- CVE List CVE-2020-13376
- NVD CVE-2020-13376
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.