Is CVE-2019-3811 in the CISA KEV catalog?

No. CVE-2019-3811 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3811?

CVE-2019-3811 has a CVSS v3 base score of 5.2 (MEDIUM).

What is the EPSS score for CVE-2019-3811?

CVE-2019-3811 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3811?

Upgrade sssd on debian 11 to 2.2.0-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-3811

MEDIUM

5.2

CVSS v3

NVD

Description

A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return '/' (the root directory) instead of '' (the empty string / no home directory). This could impact services that restrict the user's filesystem access to within their home directory through chroot() etc. All versions before 2.1 are vulnerable.

CWE-200Information Exposure CWE-552

How to fix

Remediation Available

sssdDebian

Fixed in:2.2.0-1CVE-2019-3811

sssdUbuntu

Fixed in:1.16.1-1ubuntu1.8USN-5067-1

Fixed in:2.2.3-3ubuntu0.7USN-5067-1

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Third-Party Advisory4

Other references2

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 2024-11-21.