CVE-2021-20128: draytek vigorconnect Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 13-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20128 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in draytek vigorconnect. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Profile Name field in the floor plan (Network Menu) page in Draytek VigorConnect 1.6.0-B3 was found to be vulnerable to stored XSS, as user input is not properly sanitized.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
0.00 pp
From 0.57% on 22-09-2026
22-09-202622-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (tenable.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Draytek1 product
- vigorconnect1.6.0:beta3
1 vendor · 1 product