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CVE-2017-13084

24
FAUCET Score

CVE-2017-13084 is a medium-severity vulnerability affecting Wi-Fi Protected Access (WPA and WPA2) in various Linux distributions and w1.fi products. It allows an attacker within radio range to reinstall the Station-To-Station-Link (STSL) Transient Key during the PeerKey handshake, leading to frame replay, decryption, or spoofing. The attack complexity is high, but successful exploitation can result in high confidentiality and integrity impacts. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, indicating its potential for future 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

6.8MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0221 is in the 99th 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

Vendor Advisories (1)

redhatCVE-2017-13084Low

wpa_supplicant: reinstallation of the STK key in the PeerKey handshake

Oct 16, 2017

References

access.redhat.com / security/vulnerabilities/kracks
Third Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-901333.pdf
security.gentoo.org / glsa/201711-03
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
kb.cert.org / vuls/id/228519
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/101274
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039576
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039577
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039581
Third Party AdvisoryVDB Entry