Is CVE-2015-4141 in the CISA KEV catalog?

No. CVE-2015-4141 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4141?

CVE-2015-4141 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2015-4141?

CVE-2015-4141 has an EPSS score of 2.99% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4141?

Upgrade wpa on debian 11 to 2.3-2.2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2015-4141

MEDIUMEPSS 86th pctl

4.3

CVSS v2

NVD

Description

The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.

CWE-119Buffer Overflow

How to fix

Remediation Available

wpaDebian

Fixed in:2.3-2.2CVE-2015-4141

hostapdUbuntu

Fixed in:1:2.1-0ubuntu1.3USN-2650-1

wpaUbuntu

Fixed in:2.1-0ubuntu1.3USN-2650-1

wpasupplicantUbuntu

Fixed in:2.1-0ubuntu1.3USN-2650-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.99%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1

w1.fi

Third-Party Advisory2

Mailing List2

Other references2

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.