Is CVE-2015-3238 in the CISA KEV catalog?

No. CVE-2015-3238 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3238?

CVE-2015-3238 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2015-3238?

CVE-2015-3238 has an EPSS score of 2.71% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3238?

Upgrade pam on debian 11 to 1.1.8-3.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-3238

MEDIUMEPSS 84th pctl

6.5

CVSS v3

NVD

Description

The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.

CWE-200Information Exposure

How to fix

Remediation Available

pamDebian

Fixed in:1.1.8-3.2CVE-2015-3238

libpam-modulesUbuntu

Fixed in:1.1.8-1ubuntu2.1USN-2935-1

pamUbuntu

Fixed in:1.1.8-1ubuntu2.1USN-2935-1

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

2.71%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit2

Vendor Advisory1

rhn.redhat.com

Other references10

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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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.