WID-SEC-W-2026-3128
Vulnerability from csaf_certbund - Published: 2021-03-24 23:00 - Updated: 2026-08-31 22:00Summary
Samba: Mehrere Schwachstellen ermöglichen Denial of Service
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Samba ist eine Open Source Software Suite, die Druck- und Dateidienste für SMB/CIFS Clients implementiert.
Angriff: Ein entfernter, anonymer oder authentifizierter Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
- UNIX
- Windows
Affected products
Known affected
18 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Avaya Aura System Manager
Avaya
|
cpe:/a:avaya:aura_system_manager:-
|
— | |
|
Dell Secure Connect Gateway <5.36.00.16
Dell / Secure Connect Gateway
|
<5.36.00.16 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Avaya Aura Application Enablement Services
Avaya
|
cpe:/a:avaya:aura_application_enablement_services:-
|
— | |
|
Avaya Aura Session Manager
Avaya
|
cpe:/a:avaya:session_manager:-
|
— | |
|
Avaya Aura Communication Manager
Avaya
|
cpe:/a:avaya:communication_manager:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Avaya Web License Manager
Avaya
|
cpe:/a:avaya:web_license_manager:-
|
— | |
|
Open Source Samba <4.14.2
Open Source / Samba
|
<4.14.2 | ||
|
Open Source Samba <4.13.7
Open Source / Samba
|
<4.13.7 | ||
|
Open Source Samba <4.12.14
Open Source / Samba
|
<4.12.14 | ||
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Avaya CMS
Avaya
|
cpe:/a:avaya:call_management_system_server:-
|
— | |
|
Juniper JUNOS
Juniper
|
cpe:/o:juniper:junos:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
Open Source CentOS
Open Source
|
cpe:/o:centos:centos:-
|
— |
Affected products
Known affected
18 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Avaya Aura System Manager
Avaya
|
cpe:/a:avaya:aura_system_manager:-
|
— | |
|
Dell Secure Connect Gateway <5.36.00.16
Dell / Secure Connect Gateway
|
<5.36.00.16 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Avaya Aura Application Enablement Services
Avaya
|
cpe:/a:avaya:aura_application_enablement_services:-
|
— | |
|
Avaya Aura Session Manager
Avaya
|
cpe:/a:avaya:session_manager:-
|
— | |
|
Avaya Aura Communication Manager
Avaya
|
cpe:/a:avaya:communication_manager:-
|
— | |
|
Oracle Linux
Oracle
|
cpe:/o:oracle:linux:-
|
— | |
|
Avaya Web License Manager
Avaya
|
cpe:/a:avaya:web_license_manager:-
|
— | |
|
Open Source Samba <4.14.2
Open Source / Samba
|
<4.14.2 | ||
|
Open Source Samba <4.13.7
Open Source / Samba
|
<4.13.7 | ||
|
Open Source Samba <4.12.14
Open Source / Samba
|
<4.12.14 | ||
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Avaya CMS
Avaya
|
cpe:/a:avaya:call_management_system_server:-
|
— | |
|
Juniper JUNOS
Juniper
|
cpe:/o:juniper:junos:-
|
— | |
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— | |
|
Open Source CentOS
Open Source
|
cpe:/o:centos:centos:-
|
— |
References
26 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Samba ist eine Open Source Software Suite, die Druck- und Dateidienste f\u00fcr SMB/CIFS Clients implementiert.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer oder authentifizierter Angreifer kann mehrere Schwachstellen in Samba ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-3128 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2026-3128.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-3128 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3128"
},
{
"category": "external",
"summary": "Samba Security Advisories vom 2021-03-24",
"url": "https://www.samba.org/samba/security/CVE-2021-20277.html"
},
{
"category": "external",
"summary": "Samba Security Advisories vom 2021-03-24",
"url": "https://www.samba.org/samba/security/CVE-2020-27840.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-4888-1 vom 2021-03-25",
"url": "https://ubuntu.com/security/notices/USN-4888-2"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-4884 vom 2021-04-02",
"url": "https://www.debian.org/security/2021/dsa-4884"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:1072 vom 2021-04-06",
"url": "https://access.redhat.com/errata/RHSA-2021:1072"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-1072 vom 2021-04-08",
"url": "https://linux.oracle.com/errata/ELSA-2021-1072.html"
},
{
"category": "external",
"summary": "CentOS Security Advisory CESA-2021:1072 vom 2021-04-10",
"url": "http://centos-announce.2309468.n4.nabble.com/CentOS-announce-CESA-2021-1072-Important-CentOS-7-libldb-Security-Update-tp4646168.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:1197 vom 2021-04-14",
"url": "https://access.redhat.com/errata/RHSA-2021:1197"
},
{
"category": "external",
"summary": "Oracle Linux Security Advisory ELSA-2021-1197 vom 2021-04-15",
"url": "http://linux.oracle.com/errata/ELSA-2021-1197.html"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:1214 vom 2021-04-15",
"url": "https://access.redhat.com/errata/RHSA-2021:1214"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:1213 vom 2021-04-15",
"url": "https://access.redhat.com/errata/RHSA-2021:1213"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2021-1628 vom 2021-04-22",
"url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1628.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2021-1494 vom 2021-04-21",
"url": "https://alas.aws.amazon.com/ALAS-2021-1494.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1444-1 vom 2021-04-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008709.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1440-1 vom 2021-04-29",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008707.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:1498-1 vom 2021-05-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008730.html"
},
{
"category": "external",
"summary": "AVAYA Security Advisory ASA-2021-033 vom 2021-05-03",
"url": "https://downloads.avaya.com/css/P8/documents/101075624"
},
{
"category": "external",
"summary": "AVAYA Security Advisory ASA-2021-041 vom 2021-05-14",
"url": "https://downloads.avaya.com/css/P8/documents/101075753"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:2331 vom 2021-06-09",
"url": "https://access.redhat.com/errata/RHSA-2021:2331"
},
{
"category": "external",
"summary": "Juniper Security Advisory JSA11206 vom 2021-07-14",
"url": "https://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA11206\u0026cat=SIRT_1"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2021:2786 vom 2021-07-20",
"url": "https://access.redhat.com/errata/RHSA-2021:2786"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2021:3187-1 vom 2021-09-22",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2021-September/009483.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2022:0283-1 vom 2022-02-01",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010164.html"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2026-386 vom 2026-09-01",
"url": "https://www.dell.com/support/kbdoc/000503504/dsa-2026-386-security-update-f"
}
],
"source_lang": "en-US",
"title": "Samba: Mehrere Schwachstellen erm\u00f6glichen Denial of Service",
"tracking": {
"current_release_date": "2026-08-31T22:00:00.000+00:00",
"generator": {
"date": "2026-09-01T10:52:47.058+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-3128",
"initial_release_date": "2021-03-24T23:00:00.000+00:00",
"revision_history": [
{
"date": "2021-03-24T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2021-03-25T23:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Ubuntu und Fedora aufgenommen"
},
{
"date": "2021-03-28T22:00:00.000+00:00",
"number": "3",
"summary": "Referenz(en) aufgenommen: FEDORA-2021-C2D8628D33"
},
{
"date": "2021-04-05T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2021-04-07T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Oracle Linux aufgenommen"
},
{
"date": "2021-04-11T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von CentOS aufgenommen"
},
{
"date": "2021-04-14T22:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
},
{
"date": "2021-04-15T22:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2021-04-21T22:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2021-04-29T22:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2021-05-04T22:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von SUSE und AVAYA aufgenommen"
},
{
"date": "2021-05-13T22:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von AVAYA aufgenommen"
},
{
"date": "2021-06-08T22:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2021-07-14T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von Juniper aufgenommen"
},
{
"date": "2021-07-20T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2021-09-22T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2022-02-01T23:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2026-08-31T22:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Dell aufgenommen"
}
],
"status": "final",
"version": "18"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Avaya Aura Application Enablement Services",
"product": {
"name": "Avaya Aura Application Enablement Services",
"product_id": "T015516",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura Communication Manager",
"product": {
"name": "Avaya Aura Communication Manager",
"product_id": "T015126",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:communication_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura Session Manager",
"product": {
"name": "Avaya Aura Session Manager",
"product_id": "T015127",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:session_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Aura System Manager",
"product": {
"name": "Avaya Aura System Manager",
"product_id": "T015518",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:aura_system_manager:-"
}
}
},
{
"category": "product_name",
"name": "Avaya CMS",
"product": {
"name": "Avaya CMS",
"product_id": "997",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:call_management_system_server:-"
}
}
},
{
"category": "product_name",
"name": "Avaya Web License Manager",
"product": {
"name": "Avaya Web License Manager",
"product_id": "T016243",
"product_identification_helper": {
"cpe": "cpe:/a:avaya:web_license_manager:-"
}
}
}
],
"category": "vendor",
"name": "Avaya"
},
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway \u003c5.36.00.16",
"product_id": "T058878"
}
},
{
"category": "product_version",
"name": "5.36.00.16",
"product": {
"name": "Dell Secure Connect Gateway 5.36.00.16",
"product_id": "T058878-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:dell:secure_connect_gateway:5.36.00.16"
}
}
}
],
"category": "product_name",
"name": "Secure Connect Gateway"
}
],
"category": "vendor",
"name": "Dell"
},
{
"branches": [
{
"category": "product_name",
"name": "Juniper JUNOS",
"product": {
"name": "Juniper JUNOS",
"product_id": "5930",
"product_identification_helper": {
"cpe": "cpe:/o:juniper:junos:-"
}
}
}
],
"category": "vendor",
"name": "Juniper"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source CentOS",
"product": {
"name": "Open Source CentOS",
"product_id": "1727",
"product_identification_helper": {
"cpe": "cpe:/o:centos:centos:-"
}
}
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c4.14.2",
"product": {
"name": "Open Source Samba \u003c4.14.2",
"product_id": "T018696"
}
},
{
"category": "product_version",
"name": "4.14.2",
"product": {
"name": "Open Source Samba 4.14.2",
"product_id": "T018696-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:samba:samba:4.14.2"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.13.7",
"product": {
"name": "Open Source Samba \u003c4.13.7",
"product_id": "T018697"
}
},
{
"category": "product_version",
"name": "4.13.7",
"product": {
"name": "Open Source Samba 4.13.7",
"product_id": "T018697-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:samba:samba:4.13.7"
}
}
},
{
"category": "product_version_range",
"name": "\u003c4.12.14",
"product": {
"name": "Open Source Samba \u003c4.12.14",
"product_id": "T018698"
}
},
{
"category": "product_version",
"name": "4.12.14",
"product": {
"name": "Open Source Samba 4.12.14",
"product_id": "T018698-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:samba:samba:4.12.14"
}
}
}
],
"category": "product_name",
"name": "Samba"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Oracle Linux",
"product": {
"name": "Oracle Linux",
"product_id": "T004914",
"product_identification_helper": {
"cpe": "cpe:/o:oracle:linux:-"
}
}
}
],
"category": "vendor",
"name": "Oracle"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2020-27840",
"product_status": {
"known_affected": [
"T015518",
"T058878",
"67646",
"T015516",
"T015127",
"T015126",
"T004914",
"T016243",
"T018696",
"T018697",
"T018698",
"2951",
"T002207",
"T000126",
"997",
"5930",
"398363",
"1727"
]
},
"release_date": "2021-03-24T23:00:00.000+00:00",
"title": "CVE-2020-27840"
},
{
"cve": "CVE-2021-20277",
"product_status": {
"known_affected": [
"T015518",
"T058878",
"67646",
"T015516",
"T015127",
"T015126",
"T004914",
"T016243",
"T018696",
"T018697",
"T018698",
"2951",
"T002207",
"T000126",
"997",
"5930",
"398363",
"1727"
]
},
"release_date": "2021-03-24T23:00:00.000+00:00",
"title": "CVE-2021-20277"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…