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CVE-2019-10064

26
FAUCET Score

CVE-2019-10064 is a high-severity vulnerability affecting hostapd versions prior to 2.6 when operating in EAP mode, specifically impacting Debian Linux distributions. The flaw stems from the inappropriate use of deterministic values due to rand() and random() calls without prior seeding, leading to predictable outputs. This vulnerability has a CVSS score of 7.5 (High) and could allow an unauthenticated attacker to cause a denial of service, though it does not impact confidentiality or integrity. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6CPE matchmatch criteria
cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.84%
Probability of exploitation in next 30 days
EPSS Percentile
89.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0384 is in the 81st percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-10064Moderate

hostapd: Not preventig the use of low quality PRNG in EAP mode leads to insufficient entropy

Feb 27, 2020

References

packetstormsecurity.com / files/156573/Hostapd-Insufficient-Entropy.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2020/Feb/26
ExploitMailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/03/msg00010.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/08/msg00013.html
Mailing ListThird Party Advisory
w1.fi / cgit/hostap/commit
PatchThird Party Advisory
openwall.com / lists/oss-security/2020/02/27/1
ExploitMailing ListThird Party Advisory
openwall.com / lists/oss-security/2020/02/27/2
Mailing ListThird Party Advisory