CVE-2019-10064

Hostapd vulnerability

CVSS

7.5

EPSS

3.8%

EPSS pct

89th

Exploited

No known

hostapd before 2.6, in EAP mode, makes calls to the rand() and random() standard library functions without any preceding srand() or srandom() call, which results in inappropriate use of deterministic values. This was fixed in conjunction with CVE-2016-10743.

Affected vendor

W1.Fi

Affected product

Hostapd

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-331 — Insufficient Entropy

Published

2020-02-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2019-10064

Confirm whether W1.Fi Hostapd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-10064.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-10064

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-10064 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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