How severe is CVE-2015-4145?

CVE-2015-4145 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-4145 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4145?

CVE-2015-4145 primarily affects W1.fi Hostapd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4145?

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

When was CVE-2015-4145 published?

CVE-2015-4145 was published on 2015-06-15 and last updated on 2026-06-17.

CVE-2015-4145

CVE-2015-4145 is a medium-severity vulnerability in W1.fi Hostapd with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: W1.fi Hostapd
Published: 2015-06-15
Last modified: 2026-06-17

Description

The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not validate a fragment is already being processed, which allows remote attackers to cause a denial of service (memory leak) via a crafted message.

Frequently asked questions

What is CVE-2015-4145?: The EAP-pwd server and peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not validate a fragment is already being processed, which allows remote attackers to cause a denial of service (memory leak) via a crafted message.
How severe is CVE-2015-4145?: CVE-2015-4145 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-4145 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4145?: CVE-2015-4145 primarily affects W1.fi Hostapd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4145?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4145 published?: CVE-2015-4145 was published on 2015-06-15 and last updated on 2026-06-17.

References

Affected products (16)

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:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:2.2:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:2.3:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:hostapd:2.4:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:1.0:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:1.1:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:2.0:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:2.1:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:2.2:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:2.3:*:*:*:*:*:*:*
cpe:2.3:a:w1.fi:wpa_supplicant:2.4:*:*:*:*:*:*:*

More vulnerabilities in W1.fi Hostapd

CVE-2022-23304 — Critical (CVSS 9.8): The implementations of EAP-pwd in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side-channel…
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CVE-2019-9499 — High (CVSS 8.1): The implementations of EAP-PWD in wpa_supplicant EAP Peer, when built against a crypto library missing explicit…
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…

All CVEs affecting W1.fi Hostapd →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →