Vulnerability in Nicehash Quickminer

CVE-2025-56513

NiceHash QuickMiner 6.12.0 perform software updates over HTTP without validating digital signatures or hash checks. An attacker capable of intercepting or redirecting traffic to the update url and can hijack the update process and deliver…

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-56513?
CVE-2025-56513 is a critical-severity vulnerability in Nicehash Quickminer, classified under Download of Code Without Integrity Check. CVSS score: 9.8/10. Published 2025-09-30.
How severe is CVE-2025-56513?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-56513 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.