CVE-2020-6991
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an...
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an attacker to gain access using brute force.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an attacker to gain access using brute force.
- Record
CVE-2020-6991- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-521
- Updated
- 2026-11-02
CVE List No score
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an attacker to gain access using brute force.
- Record
CVE-2020-6991- Weakness
- CWE-521
- Updated
- 2026-11-02
EUVDEUVD-2020-28131 No score
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an attacker to gain access using brute force.
- Record
EUVD-2020-28131- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hxmj-c6q3-rm4g No score
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an...
In Moxa EDS-G516E Series firmware, Version 5.2 or lower, weak password requirements may allow an attacker to gain access using brute force.
- Record
GHSA-hxmj-c6q3-rm4g- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-6991 is a critical vulnerability (CVSS 9.8) in Moxa Eds-510e Firmware, published March 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. No source names a fixed version.