Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-20128

20
FAUCET Score

CVE-2021-20128 describes a stored Cross-Site Scripting (XSS) vulnerability in Draytek VigorConnect 1.6.0-B3, specifically within the Profile Name field of the floor plan page, due to insufficient input sanitization. This medium-severity vulnerability (CVSS 5.4) requires low privileges and user interaction for exploitation, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.0CPE matchmatch criteria
cpe:2.3:a:draytek:vigorconnect:1.6.0:beta3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
42.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 68th percentile among its peer group of 15,224 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (5)

asteriskvendor investigatingvia llm_extracted
ciscovendor investigatingvia llm_extracted
miniovendor investigatingvia llm_extracted
opensshvendor investigatingvia llm_extracted
railsvendor investigatingvia llm_extracted

Vendor Advisories (5)

opensshllm-openssh-d6a63d7518184d6cCRITICAL

Multiple Vulnerabilities in Draytek VigorConnect 1.60.0-B3

Oct 12, 2021
railsllm-rails-3ee2d605d8d3d4b4CRITICAL

Multiple Vulnerabilities in Draytek VigorConnect 1.60.0-B3

Oct 12, 2021
miniollm-minio-82f06249fd1b229cCRITICAL

Multiple Vulnerabilities in Draytek VigorConnect 1.60.0-B3

Oct 12, 2021
ciscollm-cisco-e2b320a468b9b6bcCRITICAL

Multiple Vulnerabilities in Draytek VigorConnect 1.60.0-B3

Oct 12, 2021
asteriskllm-asterisk-ebe75604b0499798CRITICAL

Multiple Vulnerabilities in Draytek VigorConnect 1.60.0-B3

Oct 12, 2021

References

tenable.com / security/research/tra-2021-42
ExploitThird Party Advisory