Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
https://www.youtube.com/watch?v=vClCaAAfzGg
Source: Mitre, NVD
Published: 2021-06-12
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 3.7
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Severity: Low
EPSS: 0.00213