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CVE-2018-14526

23
FAUCET Score

CVE-2018-14526 is a medium-severity vulnerability affecting wpa_supplicant versions 2.0 through 2.6, present in various Canonical and Debian Linux distributions. It allows an attacker within range of an Access Point and client to perform a decryption oracle attack due to unchecked EAPOL-Key message integrity. This local attack, with low complexity and no user interaction, can lead to the recovery of sensitive information. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
>= 2.0, <= 2.6CPE matchmatch criteria
cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 94th percentile among its peer group of 1,802 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wpa_supplicant-1:2.6-12.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wpa_supplicant
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wpa_supplicant
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: wpa_supplicant

Vendor Advisories (1)

redhatCVE-2018-14526Moderate

wpa_supplicant: Unauthenticated EAPOL-Key decryption in wpa_supplicant

Aug 8, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-05/msg00013.html
access.redhat.com / errata/RHSA-2018:3107
cert-portal.siemens.com / productcert/pdf/ssa-344983.pdf
lists.debian.org / debian-lts-announce/2018/08/msg00009.html
Mailing ListThird Party Advisory
papers.mathyvanhoef.com / woot2018.pdf
Technical DescriptionThird Party Advisory
security.freebsd.org / advisories/FreeBSD-SA-18:11.hostapd.asc
MitigationPatchThird Party Advisory
usn.ubuntu.com / 3745-1
Third Party Advisory
w1.fi / security/2018-1/unauthenticated-eapol-key-decryption.txt
MitigationPatchVendor Advisory
us-cert.gov / ics/advisories/icsa-19-344-01
securitytracker.com / id/1041438
Third Party AdvisoryVDB Entry