An issue in the emqx_sn plugin of EMQX v4.3.8 allows attackers to execute a directory…
Priority MEDIUM 62CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An issue in the emqx_sn plugin of EMQX v4.3.8 allows attackers to execute a directory traversal via uploading a crafted .txt file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0089 59th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37781
- 2026-10-03 Alias added: GHSA-rf57-rr5g-mqmp
References
More nanomq Emqx vulnerabilities
- TI-2026-07683 EMQX QoS 2 PUBLISH Packet emqx_persistent_session_ds.erl race condition CVSS 4.0LOW 2.3
- TI-2021-21231 EMQ X Dashboard V3.0.0 is affected by username enumeration in the "/api /v3/auth"… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2023-37781 · CVE Program
- CVE-2023-37781 · NVD
- FIRST EPSS
- GHSA-rf57-rr5g-mqmp · 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