PT-2020-4182 · Cisco · Cisco Ios Xe+1

Published 2020-09-24 · Updated 2022-10-27 · CVE-2020-3409

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software (affected versions not specified) Cisco IOS XE Software (affected versions not specified)

Description: The issue is related to insufficient processing logic for crafted PROFINET packets sent to affected devices, allowing an unauthenticated, adjacent attacker to cause a device to crash and reload, resulting in a denial of service (DoS) condition. An attacker could exploit this by sending crafted PROFINET packets to an affected device for processing. A successful exploit could allow the attacker to cause the device to crash and reload.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Resource Exhaustion

Weakness Enumeration

CWE-20

CWE-400

Related Identifiers

BDU:2020-04604

CVE-2020-3409

Affected Products

Cisco Ios

Cisco Ios Xe

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2020-3409 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-profinet-J9QMCHPB · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04604 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-profinet-J9QMCHPB · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-3409 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/657130 · Security Note