CVE-2013-4579

Linux Kernel vulnerability

CVSS

4.3

EPSS

10.2%

EPSS pct

95th

Exploited

No known

The ath9k_htc_set_bssid_mask function in drivers/net/wireless/ath/ath9k/htc_drv_main.c in the Linux kernel through 3.12 uses a BSSID masking approach to determine the set of MAC addresses on which a Wi-Fi device is listening, which allows remote attackers to discover the original MAC address after spoofing by sending a series of packets to MAC addresses with certain bit manipulations.

Affected vendor

Linux

Affected product

Linux Kernel

CVSS vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-310

Published

2013-11-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 10.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2013-4579

Confirm whether Linux Linux Kernel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-4579.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-4579

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-4579 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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