wpa_supplicant: reinstallation of the STK key in the PeerKey handshake
Published Oct 17, 2017
8.1
HIGHCVSS 3.0
EPSS 2.21%
Description
Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Station-To-Station-Link (STSL) Transient Key (STK) during the PeerKey handshake, allowing an attacker within radio range to replay, decrypt, or spoof frames.
Affected products
-
- Version WPAStatusaffectedConstraints-
- Version WPA2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wi-Fi Alliance | Wi-Fi Protected Access (WPA and WPA2) | n/a |
|
Configuration 1
- 14.04
- 16.04
- 17.04
- 8.0
- 9.0
- n/a
- 10
- 10.4
- 11
- 11.1
- 42.2
- 42.3
- 7
- 7
Configuration 2
- 0.2.4
- 0.2.5
- 0.2.6
- 0.2.8
- 0.3.7
- 0.3.9
- 0.3.10
- 0.3.11
- 0.4.7
- 0.4.8
- 0.4.9
- 0.4.10
- 0.4.11
- 0.5.7
- 0.5.8
- 0.5.9
- 0.5.10
- 0.5.11
- 0.6.8
- 0.6.9
- 0.6.10
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 0.2.4
- 0.2.5
- 0.2.6
- 0.2.7
- 0.2.8
- 0.3.7
- 0.3.8
- 0.3.9
- 0.3.10
- 0.3.11
- 0.4.7
- 0.4.8
- 0.4.9
- 0.4.10
- 0.4.11
- 0.5.7
- 0.5.8
- 0.5.9
- 0.5.10
- 0.5.11
- 0.6.8
- 0.6.9
- 0.6.10
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
Configuration 3
- 12
- 12
- 11
- 11
- 11
- 12
- 6
No data.
Red Hat Enterprise Linux 5
wpa_supplicant
Not affected
Red Hat Enterprise Linux 6
wpa_supplicant
Not affected
Red Hat Enterprise Linux 7
wpa_supplicant
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wpa_supplicant | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wpa_supplicant | Not affected | n/a |
| Red Hat Enterprise Linux 7 | wpa_supplicant | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 5, 6, and 7, as wpa_supplicant's implementation of the PeerKey handshake mechanism is incomplete and does not allow the installation of a key into the driver.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
AV:A/AC:M/Au:N/C:P/I:P/A:P
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 | 2.21% (0.02205) | 81.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.21% (0.02205) | 80.18th | v5 (v2026.06.15) |
| May 22, 2026 | 2.46% (0.02462) | 85.43th | v4 (v2025.03.14) |
| May 1, 2025 | 0.47% (0.00475) | 63.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.48% (0.01484) | 79.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00167) | 54.78th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.17% (0.00167) | 52.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00154) | 49.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.88% (0.02880) | 63.65th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.88% (0.02880) | 0.00th | v1 |
References (17)
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-007.txt x_refsource_CONFIRMThird Party Advisory
- http://www.kb.cert.org/vuls/id/228519 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/101274 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039576 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039577 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039581 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-13084 Vendor Advisory
- https://access.redhat.com/security/vulnerabilities/kracks x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1500301 Issue Tracking
- https://cert-portal.siemens.com/productcert/pdf/ssa-901333.pdf x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2017-13084
- https://security.gentoo.org/glsa/201711-03 vendor-advisoryx_refsource_GENTOO
- https://support.lenovo.com/us/en/product_security/LEN-17420 x_refsource_CONFIRMThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171016-wpa vendor-advisoryx_refsource_CISCOThird Party Advisory
- https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-13084
- https://www.krackattacks.com/ x_refsource_MISCTechnical DescriptionThird Party Advisory
Change history (0)
No recorded changes yet.