PT-2021-6927 · Elcomplus · Elcomplus Smartptt

Michael Heinzl · Published 2021-04-21 · Updated 2022-05-09 · CVE-2021-43934

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

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

Description The issue is related to the unlimited upload of dangerous file types in the update loading function of the scada-server. This could allow a remote attacker to execute arbitrary code. The backup and restore system does not adequately validate upload requests, enabling a malicious user to potentially upload arbitrary files.

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

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

BDU:2022-02687

CVE-2021-43934

Affected Products

Elcomplus Smartptt

References · 8

• https://bdu.fstec.ru/vul/2022-02687 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43934 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43934 · Vendor Advisory
• https://cisa.gov/uscert/ics/advisories/icsa-22-109-04 · Note
• https://awesec.com/advisories/AWE-2022-047.html · Note
• https://cisa.gov/uscert/ics/advisories/icsa-22-109-05 · Note
• https://t.me/cibsecurity/41575 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2022042006 · Note