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NVD / CVE Program· CNA redhat

CVE-2019-3811: A vulnerability was found in sssd.

Noroxi assessment

Priority: Monitor (action score 20/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.69% (FIRST EPSS); higher than 53% of all records.
  • Someone on the same network segment can trigger it. A low-privileged account is enough. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: sssd (Debian:10) 1.16.3-3.2+deb10u1; sssd (Debian:12) 2.2.0-1; sssd (Debian:8) 1.11.7-3+deb8u2.

Low priority for now. Upgrade to sssd (Debian:10) 1.16.3-3.2+deb10u1; sssd (Debian:12) 2.2.0-1; sssd (Debian:8) 1.11.7-3+deb8u2 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

MediumCVSS 5.2 · v3.1—No exploit Fix available
Published
Jan 15, 2019
Updated
Jun 16, 2026
EPSS
0.6% · 53th percentile

Report tools

JSON

Action score

20

Monitor

Low priority for now.

CVSS
20 / 40 · 5.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CNA vs NVD score

NVD
5.2
CNA · redhat
4.1
1.1 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2019-3811

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
fedoraprojectsssd
fedoraprojectfedora
debiandebian linux
opensuseleap
redhatenterprise linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux8.0
  • fedoraproject fedoraall versions
  • fedoraproject sssdbefore 2.1
  • opensuse leap15.0
  • opensuse leap42.3
  • redhat enterprise linux7.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • The sssd Project sssd

    • 2.1affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:10sssdbefore 1.16.3-3.2+deb10u11.16.3-3.2+deb10u1
Debian:12sssdbefore 2.2.0-12.2.0-1
Debian:8sssdbefore 1.11.7-3+deb8u21.11.7-3+deb8u2
openSUSE:Leap 15.0adclibefore 0.8.2-lp150.4.10.8.2-lp150.4.1
openSUSE:Leap 15.0sssdbefore 1.16.1-lp150.2.9.11.16.1-lp150.2.9.1
openSUSE:Tumbleweedsssdbefore 2.9.3-2.12.9.3-2.1
Red Hat:enterprise_linux:7::clientlibipa_hbacbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibipa_hbac-develbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_autofsbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_certmapbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_certmap-develbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_idmapbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_idmap-develbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_nss_idmapbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_nss_idmap-develbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_simpleifpbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_simpleifp-develbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientlibsss_sudobefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientpython-libipa_hbacbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientpython-libsss_nss_idmapbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientpython-sssbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientpython-sss-murmurbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientpython-sssdconfigbefore 0:1.16.4-21.el70:1.16.4-21.el7
Red Hat:enterprise_linux:7::clientsssdbefore 0:1.16.4-21.el70:1.16.4-21.el7

+22

Same product

fedoraproject: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-3621A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands
    36Monitor
  • CVE-2022-4254sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters
    35Monitor
  • CVE-2012-3462A flaw was found in SSSD version 1.9.0.
    35Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2015-5292Oct 29, 2015 · Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.1
    28Monitor
  • ← EarlierCVE-2018-16883Dec 19, 2018 · sssd versions from 1.13.0 to before 2.0.0 did not properly restrict access to the infopipe according to the "allowed_uids" configuration par
    22Monitor
  • Later →CVE-2018-16838Mar 25, 2019 · A flaw was found in sssd Group Policy Objects implementation.
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:sssd2.2.0-1 · Debian:12Package registry (OSV)
opensuse:adcli0.8.2-lp150.4.1 · openSUSE:Leap 15.0Package registry (OSV)
opensuse:sssd1.16.1-lp150.2.9.1 · openSUSE:Leap 15.0Package registry (OSV)
red hat:libipa_hbac0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_autofs0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_certmap0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_idmap0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_nss_idmap0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_simpleifp0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:libsss_sudo0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:python-libipa_hbac0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:python-sss0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:python-sss-murmur0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:python-sssdconfig0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:sssd0:1.16.4-21.el7 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
suse:adcli0.8.2-1.3.1 · SUSE:Linux Enterprise Desktop 12 SP3Package registry (OSV)
suse:sssd1.16.1-3.15.1 · SUSE:Linux Enterprise Module for Basesystem 15Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CVSS vector

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

nvd-primary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

The bug in code

The whole CWE-200 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (6 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records