PT-2021-5586 · Webhmi · Webhmi

Marcin Dudek · Published 2021-12-06 · Updated 2022-04-12 · CVE-2021-43936

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions WebHMI (affected versions not specified)

Description The issue allows an attacker to upload or transfer files of dangerous types to the WebHMI portal. These files may be automatically processed within the product's environment, potentially leading to arbitrary code execution. The vulnerability is related to the lack of restrictions on file uploads.

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

Exploit

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

BDU:2022-00016

CVE-2021-43936

Affected Products

Webhmi

References · 9

• 🔥 https://github.com/LongWayHomie/CVE-2021-43936 · Exploit
• 🔥 http://packetstormsecurity.com/files/165252/WebHMI-4.0-Remote-Code-Execution.html · Exploit
• 🔥 https://exploit-db.com/exploits/50589 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-43936 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-336-03 · Patch
• https://osv.dev/vulnerability/CVE-2021-43936 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00016 · Security Note
• https://t.me/cybersecuritytechnologies/4968 · Telegram Post
• https://t.me/cibsecurity/33393 · Telegram Post