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CVE-2020-21996

24
FAUCET Score

CVE-2020-21996 describes an unauthenticated reboot command execution vulnerability affecting AVE DOMINAplus versions 1.10.x and earlier. This critical flaw allows attackers to remotely trigger a denial of service by forcing a system reboot without authentication. While rated with a CVSS score of 7.5 (High) and having a higher-than-average EPSS score, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.8.4, <= 1.10.77CPE matchmatch criteria
cpe:2.3:a:ave:dominaplus:*:*:*:*:*:*:*:*
1.10.62CPE matchmatch criteria
cpe:2.3:o:ave:53ab-wbs_firmware:1.10.62:*:*:*:*:*:*:*
1.0.65CPE matchmatch criteria
cpe:2.3:o:ave:ts01_firmware:1.0.65:*:*:*:*:*:*:*
1.10.45aCPE matchmatch criteria
cpe:2.3:o:ave:ts03x-v_firmware:1.10.45a:*:*:*:*:*:*:*
1.10.45aCPE matchmatch criteria
cpe:2.3:o:ave:ts04x-v_firmware:1.10.45a:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.56%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0356 is in the 79th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cwe.mitre.org / data/definitions/306.html
Technical Description
exploit-db.com / exploits/47820
ExploitThird Party AdvisoryVDB Entry
zeroscience.mk / en/vulnerabilities/ZSL-2019-5548.php
ExploitThird Party Advisory