Upstream information

CVE-2021-31800 at MITRE

Description

Multiple path traversal vulnerabilities exist in smbserver.py in Impacket through 0.9.22. An attacker that connects to a running smbserver instance can list and write to arbitrary files via ../ directory traversal. This could potentially be abused to achieve arbitrary code execution by replacing /etc/shadow or an SSH authorized key.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having critical severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
CVSS detail 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: 1185717 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • python310-impacket >= 0.11.0-3.3
  • python311-impacket >= 0.11.0-3.3
  • python312-impacket >= 0.11.0-3.3
  • python36-impacket >= 0.9.23-1.2
  • python38-impacket >= 0.9.23-1.2
  • python39-impacket >= 0.9.23-1.2
 Patchnames:
openSUSE-Tumbleweed-2024-11232
openSUSE-Tumbleweed-2024-14142

SUSE Timeline for this CVE

CVE page created: Wed May 5 18:49:05 2021
CVE page last modified: Sat Nov 1 22:32:30 2025