CVE-2021-4258 json
whohas Package Information cleartext transmission
published 2022-12-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34104
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
A vulnerability was found in whohas. It has been rated as problematic. This issue affects some unknown processing of the component Package Information Handler. The manipulation leads to cleartext transmission of sensitive information. The attack may be initiated remotely. The real existence of this vulnerability is still doubted at the moment. The name of the patch is 667c3e2e9178f15c23d7918b5db25cd0792c8472. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216251. NOTE: Most sources redirect to the encrypted site which limits the possibilities of an attack.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- unspecified whohas
Classification
References
-
github.com
/whohas/whohas/commit/667c3e2e9178f15c23d7918b5db25cd0792c8472
patch, third-party-advisory
-
vuldb.com
/?id.216251
permissions-required, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-4258
- NVD CVE-2021-4258
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