CVE-2021-43930

Name: CVE-2021-43930
Creator: NVD / NIST
Published: 2022-04-28T15:15:08.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2021-43930 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate download requests, enabling malicious users to perform path traversal attacks and potentially download arbitrary files from the system.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate download requests, enabling malicious users to perform path traversal attacks and potentially download arbitrary files from the system.

Metrics

CVSS 3.1

4.9/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Smartptt	Smartptt Scada	1.1

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-04Third Party Advisory, US Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-04Third Party Advisory, US Government Resource

Timeline

Published: Apr 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43930?

How severe is CVE-2021-43930?

CVE-2021-43930 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43930?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43930?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST