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Fencer Vulns
low 3.7

CVE-2019-6121 json

An issue was discovered in NiceHash Miner before 2.0.3.0.

published 2019-11-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15688

cvss
3.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

An issue was discovered in NiceHash Miner before 2.0.3.0. Missing Authorization allows an adversary to can gain access to a miner's information about such as his recent payments, unclaimed Balance, Old Balance (at the time of December 2017 breach) , Projected payout, Mining stats like profitability, Efficiency, Number of workers, etc.. A valid Email address is required in order to retrieve this Information.

Patch / fix

  • nicehash miner 2.0.3.0

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • docs.google.com https://docs.google.com/document/d/1OubhuTRzuTMnkZ9SCFb8BtJVbTu840wDxyWu3VWHwvs/edit referenced PoC, tagged "exploit" by a source, unverified
  • cyberworldmirror.com https://cyberworldmirror.com/nicehash-vulnerability-leaked-miners-information/ 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:L/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

References

Sources

Fencer Vulns 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.