PatchTheCVECVE-2021-34682: Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
CVE-2021-34682 is a low-severity flaw (CVSS 3.7) affecting imposto de renda da pessoa fisica 2021. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 48%) |
| CISA exploited list | No |
| Published | 2021-06-12 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-34682?
imposto de renda da pessoa fisica 2021: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-34682 being exploited?
CVE-2021-34682 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-34682 affect?
CVE-2021-34682 affects imposto de renda da pessoa fisica 2021. Severity is low (CVSS 3.7). Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
How urgent is CVE-2021-34682?
Priority 36/100. Public exploit reference; Remotely exploitable, no login, no user action