wpa_supplicant: Unauthenticated EAPOL-Key decryption in wpa_supplicant
Published Aug 8, 2018
8.3
HIGHCVSS 3.0
EPSS 1.48%
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.
Affected products
No data.
Configuration 1
- 14.04
- 16.04
- 18.04
Configuration 2
- 8.0
Configuration 3
- ≥ 2.0 · ≤ 2.6
No data.
Red Hat Enterprise Linux 7
wpa_supplicant-1:2.6-12.el7
Fixed · RHSA-2018:3107
Red Hat Enterprise Linux 5
wpa_supplicant
Will not fix
Red Hat Enterprise Linux 6
wpa_supplicant
Will not fix
Red Hat Enterprise Linux 8
wpa_supplicant
Not affected
Red Hat Virtualization 4
wpa_supplicant
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | wpa_supplicant-1:2.6-12.el7 | Fixed | RHSA-2018:3107 |
| Red Hat Enterprise Linux 5 | wpa_supplicant | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | wpa_supplicant | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | wpa_supplicant | Not affected | n/a |
| Red Hat Virtualization 4 | wpa_supplicant | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Virtualization images include wpa_supplicant as a component from the base Red Hat Enterprise Linux operating system, but use of Red Hat Virtualization on a wireless network is neither recommended nor supported. A future update may address this issue. This issue affects the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
AV:A/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.48% (0.01476) | 72.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.48% (0.01476) | 70.37th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.63% (0.00629) | 68.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00117) | 47.14th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.12% (0.00117) | 44.30th | v3 (v2023.03.01) |
| Dec 30, 2023 | 0.14% (0.00137) | 49.08th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.16% (0.00162) | 52.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00128) | 45.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.27% (0.02273) | 50.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.27% (0.02273) | 0.00th | v1 |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00013.html vendor-advisoryx_refsource_SUSE
- http://www.securitytracker.com/id/1041438 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:3107 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-14526 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1614520 Issue Tracking
- https://cert-portal.siemens.com/productcert/pdf/ssa-344983.pdf x_refsource_CONFIRM
- https://lists.debian.org/debian-lts-announce/2018/08/msg00009.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14526
- https://papers.mathyvanhoef.com/woot2018.pdf x_refsource_MISCTechnical DescriptionThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:11.hostapd.asc vendor-advisoryx_refsource_FREEBSDMitigationPatchThird Party Advisory
- https://usn.ubuntu.com/3745-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://w1.fi/security/2018-1/unauthenticated-eapol-key-decryption.txt x_refsource_MISCMitigationPatchVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-14526
- https://www.us-cert.gov/ics/advisories/icsa-19-344-01 x_refsource_MISC
Change history (0)
No recorded changes yet.