HOMEVULNERABILITIESCVE-2020-6997
HIGH

CVE-2020-6997

CWE-319Published: March 24, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

In Moxa EDS-G516E Series firmware, Version 5.2 or lower, sensitive information is transmitted over some web applications in cleartext.

NVD Source

Technical Analysis

CVE-2020-6997 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

moxa4 product(s)
eds-g516e firmwareeds-g516eeds-510e firmwareeds-510e
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.us-cert.gov/ics/advisories/icsa-20-056-04Third Party Advisory · US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-056-04Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2020-6997
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-319
CISA KEVNo
Affected1 vendor(s)
PublishedMar 24, 2020

Related CVEs (CWE-319)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-6997 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.