CVE-2021-44141

CVSS V2 Low 3.5 CVSS V3 Medium 4.3
Description
All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.
Overview
  • CVE ID
  • CVE-2021-44141
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-21T18:15:08
  • Last Modified Date
  • 2022-02-23T15:17:48
Weakness Enumerations
CWE URL
CWE-59 http://cwe.mitre.org/data/definitions/59.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* 1 OR 4.15.5
cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.samba.org/samba/security/CVE-2021-44141.html Mitigation Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-44141
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44141
History
Created Old Value New Value Data Type Notes
2022-05-10 06:31:47 Added to TrackCVE
2022-12-06 10:29:39 2022-02-21T18:15Z 2022-02-21T18:15:08 CVE Published Date updated
2022-12-06 10:29:39 2022-02-23T15:17:48 CVE Modified Date updated
2022-12-06 10:29:39 Analyzed Vulnerability Status updated