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CVE-2020-21994

25
FAUCET Score

CVE-2020-21994 is a critical clear-text credentials disclosure vulnerability affecting AVE DOMINAplus versions 1.10.x and earlier. An unauthenticated attacker can access the /xml/authClients.xml file, revealing administrative login information. This allows for a complete authentication bypass, leading to high confidentiality, integrity, and availability impacts, as reflected by its CVSS score of 9.8. Despite its severity, there is currently no public exploit code available, and it shows no signs of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.10.11, <= 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

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.66%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0366 is in the 81st percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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/522.html
Technical Description
exploit-db.com / exploits/47819
ExploitThird Party AdvisoryVDB Entry
zeroscience.mk / en/vulnerabilities/ZSL-2019-5550.php
ExploitThird Party Advisory