CVE-2020-21219: netgate acme Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 15-12-2022Last modified 25-04-2025
Vulnerability summary
CVE-2020-21219 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in netgate acme. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.65%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-12-2022PublishedVulnerability first disclosed.
- 25-04-2025Last modifiedVulnerability information updated.
Description
Cross Site Scripting (XSS) vulnerability in Netgate pf Sense 2.4.4-Release-p3 and Netgate ACME package 0.6.3 allows remote attackers to to run arbitrary code via the RootFolder field to acme_certificate_edit.php page of the ACME package.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
+0.05 pp
From 0.60% on 20-09-2026
20-09-202620-10-2026
EPSS score0.65%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 2 products
References
2 links- github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8PatchThird Party Advisory
- redmine.pfsense.org/issues/9888Third Party Advisory