Paper/Archive/CVE-2020-21487

CVE-2020-21487

mitre — Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via…

EPSS 0.7%CVSS 9.6

critical.is priorityof 100

CVSS 9.6 (ADP, NVD agree)9.6 / 10 × 3028.8 Not in CISA KEV+300.0 EPSS percentile 51.9.519 × 2010.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Cross Site Scripting vulnerability found in Netgate pfSense 2.4.4 and ACME package v.0.6.3 allows attackers to execute arbitrary code via the RootFolder field of acme_certificates.php.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

NVD9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8 refredmine.pfsense.org/issues/9888