CVE-2017-13079

CVE-2017-13079 is a medium-severity vulnerability in W1.fi Hostapd with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

• Severity: Medium (CVSS 3.x base score 5.3)
• CVSS v2: 2.9
• EPSS exploit prediction: 2% (80th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-330
• Affected product: W1.fi Hostapd
• Published: 2017-10-17
• Last modified: 2026-06-17

Description

Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11w allows reinstallation of the Integrity Group Temporal Key (IGTK) during the four-way handshake, allowing an attacker within radio range to spoof frames from access points to clients.

Frequently asked questions

What is CVE-2017-13079?

Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11w allows reinstallation of the Integrity Group Temporal Key (IGTK) during the four-way handshake, allowing an attacker within radio range to spoof frames from access points to clients.

How severe is CVE-2017-13079?

CVE-2017-13079 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-13079 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-13079?

CVE-2017-13079 primarily affects W1.fi Hostapd. In total, 85 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-13079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-13079 published?

CVE-2017-13079 was published on 2017-10-17 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00024.html
• http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-007.txt
• http://www.debian.org/security/2017/dsa-3999
• http://www.kb.cert.org/vuls/id/228519
• http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
• http://www.securityfocus.com/bid/101274
• http://www.securitytracker.com/id/1039573
• http://www.securitytracker.com/id/1039576
• http://www.securitytracker.com/id/1039577
• http://www.securitytracker.com/id/1039578
• http://www.securitytracker.com/id/1039581
• http://www.securitytracker.com/id/1039585
• http://www.ubuntu.com/usn/USN-3455-1
• https://access.redhat.com/security/vulnerabilities/kracks
• https://cert-portal.siemens.com/productcert/pdf/ssa-901333.pdf
• https://cert.vde.com/en-us/advisories/vde-2017-005
• https://lists.debian.org/debian-lts-announce/2018/11/msg00015.html
• https://security.FreeBSD.org/advisories/FreeBSD-SA-17:07.wpa.asc
• https://security.gentoo.org/glsa/201711-03
• https://source.android.com/security/bulletin/2017-11-01
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03792en_us
• https://support.lenovo.com/us/en/product_security/LEN-17420
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171016-wpa
• https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
• https://www.krackattacks.com/

Affected products (85)

• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:10:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:10.4:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:11:*:*:*:*:*:*:*
• cpe:2.3:o:freebsd:freebsd:11.1:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:7:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.5.7:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.5.8:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.5.9:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.5.10:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.5.11:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.6.8:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.6.9:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.6.10:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:0.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:w1.fi:hostapd:2.1:*:*:*:*:*:*:*

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• CVE-2019-9498 — High (CVSS 8.1): The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation…
• CVE-2019-9497 — High (CVSS 8.1): The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer do not validate the scalar and element…
• CVE-2017-13082 — High (CVSS 8.1): Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11r allows reinstallation of the Pairwise Transient Key…

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