Vulnerability Monitor

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CVE-2016-2124


A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 24 products from samba, from debian, from fedoraproject and 21 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-02-18T18:15:08.237

Last Modified

2024-11-21T02:47:52.757

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Primary
    CWE-287

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application samba samba < 4.13.14 Yes
Application samba samba < 4.14.10 Yes
Application samba samba < 4.15.2 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Application redhat codeready_linux_builder - Yes
Application redhat gluster_storage 3.0 Yes
Application redhat gluster_storage 3.5 Yes
Application redhat openstack 13 Yes
Application redhat openstack 16.1 Yes
Application redhat openstack 16.2 Yes
Application redhat virtualization_host 4.0 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_eus 8.2 Yes
Operating System redhat enterprise_linux_eus 8.4 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 7.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems 8.0 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.2 Yes
Operating System redhat enterprise_linux_for_ibm_z_systems_eus 8.4 Yes
Operating System redhat enterprise_linux_for_power_big_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 7.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian 8.0 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.2 Yes
Operating System redhat enterprise_linux_for_power_little_endian_eus 8.4 Yes
Operating System redhat enterprise_linux_for_scientific_computing 7.0 Yes
Operating System redhat enterprise_linux_resilient_storage 7.0 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 8.2 Yes
Operating System redhat enterprise_linux_server_aus 8.4 Yes
Operating System redhat enterprise_linux_server_tus 8.4 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 8.2 Yes
Operating System redhat enterprise_linux_server_update_services_for_sap_solutions 8.4 Yes
Operating System redhat enterprise_linux_tus 8.2 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System canonical ubuntu_linux 20.04 Yes
Operating System canonical ubuntu_linux 21.04 Yes
Operating System canonical ubuntu_linux 21.10 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For samba's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.