What’s Vulnerable › Vulnerabilities

CVE-2021-43934: Elcomplus SmartPtt Unrestricted Upload of File with Dangerous Type

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-28 · updated 2026-06-17
• Weakness: CWE-434

Description

Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate upload requests, enabling a malicious user to potentially upload arbitrary files.

Affected products

• Elcomplus SmartPTT: 1.1

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-04
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-04

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