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-2021-20127

25
FAUCET Score

CVE-2021-20127 describes an arbitrary file deletion vulnerability in the Html5Servlet endpoint of Draytek VigorConnect 1.6.0-B3. An authenticated attacker can exploit this to delete files anywhere on the operating system with root privileges. Rated 8.1 HIGH, this network-based vulnerability requires low privileges and has high impact on integrity and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion 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

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 58th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

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