CVE-2021-34682
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
- Record
CVE-2021-34682- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
- Record
CVE-2021-34682- Updated
- 2026-11-02
EUVDEUVD-2021-21332 No score
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
- Record
EUVD-2021-21332- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vmqv-5mr3-r7f5 No score
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
- Record
GHSA-vmqv-5mr3-r7f5- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34682 is a low vulnerability (CVSS 3.7) in Gov Imposto De Renda Da Pessoa Fisica 2021, published June 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.