CVE-2018-14526

Name: CVE-2018-14526
Creator: NVD / NIST
Published: 2018-08-08T19:29:00.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.40%

Last modified Jun 17, 2026

CVE-2018-14526 is a vulnerability of currently unknown severity. An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.

Metrics

EPSS Probability

1.40%

69.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-924

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0
W1.Fi	Wpa Supplicant	>= 2.0, <= 2.6

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
http://www.securitytracker.com/id/1041438Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3107
https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
https://lists.debian.org/debian-lts-announce/2018/08/msg00009.htmlMailing List, Third Party Advisory
https://papers.mathyvanhoef.com/woot2018.pdfTechnical Description, Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.ascMitigation, Patch, Third Party Advisory
https://usn.ubuntu.com/3745-1/Third Party Advisory
https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txtMitigation, Patch, Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-01
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html
http://www.securitytracker.com/id/1041438Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3107
https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf
https://lists.debian.org/debian-lts-announce/2018/08/msg00009.htmlMailing List, Third Party Advisory
https://papers.mathyvanhoef.com/woot2018.pdfTechnical Description, Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.ascMitigation, Patch, Third Party Advisory
https://usn.ubuntu.com/3745-1/Third Party Advisory
https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txtMitigation, Patch, Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-344-01

Timeline

Published: Aug 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14526?

How severe is CVE-2018-14526?

Severity scoring for CVE-2018-14526 is pending analysis. The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14526?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14526?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST