CVE-2020-6981 json
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, an attacker may gain access to the system without proper authentication.
published 2020-03-24 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28121
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, an attacker may gain access to the system without proper authentication.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-056-04 updated cvss 9.8
Moxa EDS-G516E and EDS-510E Series Ethernet Switches
-
Moxa EDS-510E Series firmware <= 5.2 Moxa EDS-G516E Series firmware <= 5.2affected: mitigation “EDS-G516E Series: Download the new firmware.” moxa.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
2.27% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Moxa EDS-G516E Series firmware, Version 5.2 or lower
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
us-cert.gov
/ics/advisories/icsa-20-056-04
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2020-6981
- NVD CVE-2020-6981
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