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CVE-2017-13087

21
FAUCET Score

CVE-2017-13087 is a medium-severity vulnerability affecting Wi-Fi Protected Access (WPA/WPA2) implementations supporting 802.11v, found in products from vendors like Canonical, Debian, and Red Hat. It allows an attacker within radio range to replay frames from access points to clients by reinstalling the Group Temporal Key (GTK) via a Wireless Network Management (WNM) Sleep Mode Response frame. The attack has high impact on integrity but no impact on confidentiality or availability, with a CVSS score of 5.3. While not listed in CISA's KEV catalog and lacking public exploit code in Metasploit or ExploitDB, it has garnered significant community discussion and media coverage, indicating awareness despite no confirmed active exploitation.

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:*:*:*
17.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.74%
Probability of exploitation in next 30 days
EPSS Percentile
75.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0174 is in the 98th percentile among its peer group of 1,749 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wpa_supplicant-1:0.7.3-9.el6_9.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wpa_supplicant-1:2.6-5.el7_4.1
View patch

Vendor Advisories (1)

redhatCVE-2017-13087Important

wpa_supplicant: reinstallation of the group key (GTK) when processing a Wireless Network Management (WNM) Sleep Mode Response frame

Oct 16, 2017

References

lists.opensuse.org / opensuse-security-announce/2017-10/msg00020.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2017-10/msg00023.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2017-10/msg00024.html
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2907
Third Party Advisory
access.redhat.com / errata/RHSA-2017:2911
Third Party Advisory
access.redhat.com / security/vulnerabilities/kracks
Third Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-901333.pdf
cert.vde.com / en-us/advisories/vde-2017-005
security.freebsd.org / advisories/FreeBSD-SA-17:07.wpa.asc
Third Party Advisory
security.gentoo.org / glsa/201711-03
source.android.com / security/bulletin/2017-11-01
support.lenovo.com / us/en/product_security/LEN-17420
Third Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20171016-wpa
Third Party Advisory
w1.fi / security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt
Third Party Advisory
krackattacks.com
Technical DescriptionThird Party Advisory
arubanetworks.com / assets/alert/ARUBA-PSA-2017-007.txt
Third Party Advisory
debian.org / security/2017/dsa-3999
Third Party Advisory
kb.cert.org / vuls/id/228519
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/101274
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039573
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039576
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039577
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039578
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039581
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-3455-1
Third Party Advisory