MEDIUM
CVE-2021-43930
CWE-22Published: April 28, 2022· Updated: Jun 17, 2026
4.9
CVSS v3.1
Official 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.
Technical Analysis
CVE-2021-43930 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
smartptt1 product(s)
smartptt scada
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
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Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
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
Quick Facts
CVE IDCVE-2021-43930
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedApr 28, 2022
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-43930 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.