SCA: security update for impacket (GHSA-mj63-64x7-57xf)

critical Tenable Self-Hosted Container Security Plugin ID 416994

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2021-31800)

See Also

https://github.com/advisories/GHSA-mj63-64x7-57xf

Plugin Details

Severity: Critical

ID: 416994

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-31800

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/18/2021

Vulnerability Publication Date: 5/5/2021

Reference Information

CVE: CVE-2021-31800

cwe: CWE-22