PT-2026-21800 · Insat · Insat Masterscada Buk-Ts

Adem El Adeb · Published 2024-11-06 · Updated 2026-02-27 · CVE-2026-22553

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions InSAT MasterSCADA BUK-TS (affected versions not specified)

Description All versions of InSAT MasterSCADA BUK-TS are susceptible to OS command injection through a field in its MMadmServ web interface. This flaw enables an attacker to execute arbitrary system commands remotely, potentially leading to full system compromise. The vulnerable component is the MMadmServ web interface. The vulnerability allows attackers to inject commands through a specific field.

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

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2026-02410

CVE-2026-22553

Affected Products

Insat Masterscada Buk-Ts

References · 12

• https://bdu.fstec.ru/vul/2026-02410 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-22553 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-01.json · Note
• https://twitter.com/VulmonFeeds/status/2026468707086573618 · Twitter Post
• https://t.me/CVEtracker/45658 · Telegram Post
• https://twitter.com/offseq/status/2026409350714020187 · Twitter Post
• https://twitter.com/kernyx64/status/2026545247073771540 · Twitter Post
• https://twitter.com/infoflowcloud/status/2026642594864779718 · Twitter Post
• https://twitter.com/CVEnew/status/2026641408686231739 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-055-01 · Note
• https://twitter.com/CveTodo/status/2026409357634601276 · Twitter Post
• https://t.me/cveNotify/153406 · Telegram Post