Cisco Packet Tracer for Windows DLL Injection (cisco-sa-packettracer-dll-inj-Qv8Mk5Jx)

high Nessus Plugin ID 152529
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote device is missing a vendor-supplied security patch


According to its self-reported version, Cisco Packet Tracer for Windows is affected by a DLL Injection vulnerability.
An authenticated, local attacker could exploit this, by inserting a configuration file in a specific path on the system, to cause a malicious DLL file to be loaded. Successful exploitation could lead to arbitrary code execution.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Upgrade to Cisco Packet Tracer version 8.0.1 or later.

See Also

Plugin Details

Severity: High

ID: 152529

File Name: cisco-sa-packettracer-dll-inj-Qv8Mk5Jx.nasl

Version: 1.3

Type: local

Agent: windows

Family: Windows

Published: 8/12/2021

Updated: 8/17/2021

Dependencies: cisco_packet_tracer_installed_win.nbin

Risk Information

CVSS Score Source: CVE-2021-1593


Risk Factor: Medium

Score: 6.7


Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:packet_tracer

Required KB Items: installed_sw/Cisco Packet Tracer, SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2021

Vulnerability Publication Date: 8/4/2021

Reference Information

CVE: CVE-2021-1593


CISCO-SA: cisco-sa-packettracer-dll-inj-Qv8Mk5Jx

IAVA: 2021-A-0364

CWE: 427