HIGH
CVE-2020-21996
CWE-306Published: April 28, 2021· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
AVE DOMINAplus <=1.10.x suffers from an unauthenticated reboot command execution. Attackers can exploit this issue to cause a denial of service scenario.
Technical Analysis
CVE-2020-21996 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 availability disruption (denial of service), 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
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
ave13 product(s)
dominaplus53ab-wbs firmware53ab-wbsts01 firmwarets01ts03x-v firmwarets03x-vts04x-v firmwarets04x-vts05 firmwarets05ts05n-v firmware+1
Source: NVD CPE · 13 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://cwe.mitre.org/data/definitions/306.htmlTechnical Description
→
https://www.exploit-db.com/exploits/47820Exploit · Third Party Advisory · VDB Entry
→
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5548.phpExploit · Third Party Advisory
→
https://cwe.mitre.org/data/definitions/306.htmlTechnical Description
→
https://www.exploit-db.com/exploits/47820Exploit · Third Party Advisory · VDB Entry
→
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5548.phpExploit · Third Party Advisory
Quick Facts
CVE IDCVE-2020-21996
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedApr 28, 2021
Related CVEs (CWE-306)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-21996 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. CVE data is provided under the NVD usage policy.