CVE-2021-34682 json
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
published 5y ago modified 4mo ago also EUVD-2021-21332
- cvss
- 3.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
Receita Federal IRPF 2021 1.7 allows a man-in-the-middle attack against the update feature.
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0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- youtube.com https://www.youtube.com/watch?v=vClCaAAfzGg referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
References
-
youtube.com
/watch?v=vClCaAAfzGg
exploit, third-party-advisory
Sources
- CVE List CVE-2021-34682
- NVD CVE-2021-34682
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.