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Fencer Intel
medium 4.9

CVE-2021-43930 json

Elcomplus SmartPtt Path Traversal

published 4y ago modified 4mo ago also EUVD-2021-30792

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-109-04 updated cvss 4.9

Elcomplus SmartPTT SCADA

  • Elcomplus LLC SmartPTT SCADA 1.1
    affected: mitigation “Elcomplus has released an update to fix these vulnerabilities and recommends users upgrade to Version 2.3.4 or later.” drive.google.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

cisa ICSA-22-109-05 updated cvss 9.8

Elcomplus SmartPTT SCADA Server

  • Elcomplus LLC SmartPTT SCADA Server 1.4
    affected: mitigation “Elcomplus has released an update to fix these vulnerabilities and recommends users upgrade to Version 2.3.4 or later.” drive.google.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Elcomplus SmartPTT

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.