Upstream information

CVE-2020-27780 at MITRE

Description

A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 10
Vector AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9.8 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1179166 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Micro 6.0
  • pam >= 1.6.0-2.22
 Patchnames:
SUSE Linux Micro 6.0 GA pam-1.6.0-2.22
SUSE Linux Micro 6.1
  • pam >= 1.6.1-slfo.1.1_1.3
 Patchnames:
SUSE Linux Micro 6.1 GA pam-1.6.1-slfo.1.1_1.3
openSUSE Tumbleweed
  • pam >= 1.5.2-1.1
  • pam-32bit >= 1.5.2-1.1
  • pam-devel >= 1.5.2-1.1
  • pam-devel-32bit >= 1.5.2-1.1
  • pam-doc >= 1.5.2-1.1
  • pam-extra >= 1.5.2-1.1
  • pam-extra-32bit >= 1.5.2-1.1
  • pam_unix >= 1.5.2-1.1
  • pam_unix-32bit >= 1.5.2-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11140

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SLES15-SP7-CHOST-BYOS-Aliyun pam Not affected
SLES15-SP7-CHOST-BYOS-Azure pam Not affected
SLES15-SP7-CHOST-BYOS-EC2 pam Not affected
SLES15-SP7-CHOST-BYOS-GCE pam Not affected
SLES15-SP7-CHOST-BYOS-GDC pam Not affected
SLES15-SP7-CHOST-BYOS-SAP-CCloud pam Not affected
SUSE Linux Enterprise Desktop 15 SP6 pam Not affected
SUSE Linux Enterprise Desktop 15 SP7 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP6 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP7 pam Not affected
SUSE Linux Enterprise Micro 5.1 pam Not affected
SUSE Linux Enterprise Micro 5.2 pam Not affected
SUSE Linux Enterprise Micro 5.3 pam Not affected
SUSE Linux Enterprise Micro 5.4 pam Not affected
SUSE Linux Enterprise Micro 5.5 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP6 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP7 pam Not affected
SUSE Linux Enterprise Server 15 SP6 pam Not affected
SUSE Linux Enterprise Server 15 SP7 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 pam Not affected
openSUSE Leap 15.6 pam Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SLES15-EC2-CHOST-HVM-BYOS pam Not affected
SLES15-SP1-CHOST-BYOS-Azure pam Not affected
SLES15-SP1-CHOST-BYOS-EC2 pam Not affected
SLES15-SP1-CHOST-BYOS-GCE pam Not affected
SLES15-SP2-CHOST-BYOS-Aliyun pam Not affected
SLES15-SP2-CHOST-BYOS-Azure pam Not affected
SLES15-SP2-CHOST-BYOS-EC2 pam Not affected
SLES15-SP2-CHOST-BYOS-GCE pam Not affected
SLES15-SP3-CHOST-BYOS-Aliyun pam Not affected
SLES15-SP3-CHOST-BYOS-Azure pam Not affected
SLES15-SP3-CHOST-BYOS-EC2 pam Not affected
SLES15-SP3-CHOST-BYOS-GCE pam Not affected
SLES15-SP3-CHOST-BYOS-SAP-CCloud pam Not affected
SLES15-SP4-CHOST-BYOS pam Not affected
SLES15-SP4-CHOST-BYOS-Aliyun pam Not affected
SLES15-SP4-CHOST-BYOS-Azure pam Not affected
SLES15-SP4-CHOST-BYOS-EC2 pam Not affected
SLES15-SP4-CHOST-BYOS-GCE pam Not affected
SLES15-SP4-CHOST-BYOS-SAP-CCloud pam Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP5 pam Not affected
SUSE Linux Enterprise Server 12 SP5 pam Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS pam Not affected
SUSE Linux Enterprise Server 15 SP3 pam Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS pam Not affected
SUSE Linux Enterprise Server 15 SP4 pam Not affected
SUSE Linux Enterprise Server 15 SP4-LTSS pam Not affected
SUSE Linux Enterprise Server 15 SP5 pam Not affected
SUSE Linux Enterprise Server 15 SP5-LTSS pam Not affected
SUSE Linux Enterprise Server 15-ESPOS pam Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 pam Not affected
SUSE Manager Proxy 4.3 pam Not affected
SUSE Manager Proxy LTS 4.3 pam Not affected
SUSE Manager Retail Branch Server 4.3 pam Not affected
SUSE Manager Retail Branch Server LTS 4.3 pam Not affected
SUSE Manager Server 4.3 pam Not affected
SUSE Manager Server LTS 4.3 pam Not affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 pam Not affected
SUSE CaaS Platform 3.0 pam Not affected
SUSE CaaS Platform 4.0 pam Not affected
SUSE Enterprise Storage 5 pam Not affected
SUSE Enterprise Storage 6 pam Not affected
SUSE Enterprise Storage 7 pam Not affected
SUSE Enterprise Storage 7.1 pam Not affected
SUSE Linux Enterprise Desktop 11 SP2 pam Not affected
SUSE Linux Enterprise Desktop 11 SP3 pam Not affected
SUSE Linux Enterprise Desktop 11 SP4 pam Not affected
SUSE Linux Enterprise Desktop 12 pam Not affected
SUSE Linux Enterprise Desktop 12 SP1 pam Not affected
SUSE Linux Enterprise Desktop 12 SP2 pam Not affected
SUSE Linux Enterprise Desktop 12 SP3 pam Not affected
SUSE Linux Enterprise Desktop 12 SP4 pam Not affected
SUSE Linux Enterprise Desktop 15 pam Not affected
SUSE Linux Enterprise Desktop 15 SP1 pam Not affected
SUSE Linux Enterprise Desktop 15 SP2 pam Not affected
SUSE Linux Enterprise Desktop 15 SP3 pam Not affected
SUSE Linux Enterprise Desktop 15 SP4 pam Not affected
SUSE Linux Enterprise Desktop 15 SP5 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS pam Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS pam Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS pam Not affected
SUSE Linux Enterprise Micro 5.0 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 pam Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 pam Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 pam Not affected
SUSE Linux Enterprise Point of Sale 11 SP3 pam Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT pam Not affected
SUSE Linux Enterprise Point of Service 11 SP3 pam Not affected
SUSE Linux Enterprise Point of Service Image Server 12 SP2 pam Not affected
SUSE Linux Enterprise Real Time 15 SP2 pam Not affected
SUSE Linux Enterprise Real Time 15 SP3 pam Not affected
SUSE Linux Enterprise Real Time 15 SP4 pam Not affected
SUSE Linux Enterprise Server 11 SP1-LTSS pam Not affected
SUSE Linux Enterprise Server 11 SP2 pam Not affected
SUSE Linux Enterprise Server 11 SP2-LTSS pam Not affected
SUSE Linux Enterprise Server 11 SP3 pam Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS pam Not affected
SUSE Linux Enterprise Server 11 SP4 pam Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS pam Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS pam Not affected
SUSE Linux Enterprise Server 12 pam Not affected
SUSE Linux Enterprise Server 12 SP1 pam Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS pam Not affected
SUSE Linux Enterprise Server 12 SP2 pam Not affected
SUSE Linux Enterprise Server 12 SP2-BCL pam Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS pam Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS pam Not affected
SUSE Linux Enterprise Server 12 SP3 pam Not affected
SUSE Linux Enterprise Server 12 SP3-BCL pam Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS pam Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS pam Not affected
SUSE Linux Enterprise Server 12 SP4 pam Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS pam Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS pam Not affected
SUSE Linux Enterprise Server 12-LTSS pam Not affected
SUSE Linux Enterprise Server 15 pam Not affected
SUSE Linux Enterprise Server 15 SP1 pam Not affected
SUSE Linux Enterprise Server 15 SP1-BCL pam Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS pam Not affected
SUSE Linux Enterprise Server 15 SP2 pam Not affected
SUSE Linux Enterprise Server 15 SP2-BCL pam Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS pam Not affected
SUSE Linux Enterprise Server 15 SP3-BCL pam Not affected
SUSE Linux Enterprise Server 15-LTSS pam Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP2 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 pam Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 pam Not affected
SUSE Linux Enterprise Software Development Kit 11 SP2 pam Not affected
SUSE Linux Enterprise Software Development Kit 11 SP3 pam Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 pam Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 pam Not affected
SUSE Manager Proxy 4.0 pam Not affected
SUSE Manager Proxy 4.1 pam Not affected
SUSE Manager Proxy 4.2 pam Not affected
SUSE Manager Retail Branch Server 4.0 pam Not affected
SUSE Manager Retail Branch Server 4.1 pam Not affected
SUSE Manager Retail Branch Server 4.2 pam Not affected
SUSE Manager Server 4.0 pam Not affected
SUSE Manager Server 4.1 pam Not affected
SUSE Manager Server 4.2 pam Not affected
SUSE OpenStack Cloud 7 pam Not affected
SUSE OpenStack Cloud 8 pam Not affected
SUSE OpenStack Cloud 9 pam Not affected
SUSE OpenStack Cloud Crowbar 8 pam Not affected
SUSE OpenStack Cloud Crowbar 9 pam Not affected
openSUSE Leap 15.3 pam Not affected
openSUSE Leap 15.4 pam Not affected
openSUSE Leap 15.5 pam Not affected
openSUSE Leap Micro 5.2 pam Not affected
openSUSE Leap Micro 5.3 pam Not affected
openSUSE Leap Micro 5.4 pam Not affected
openSUSE Leap Micro 5.5 pam Not affected

SUSE Timeline for this CVE

CVE page created: Tue Nov 24 18:09:37 2020
CVE page last modified: Sun Sep 28 14:24:22 2025