CVE-2021-43934
CVE-2021-43934 is a critical-severity vulnerability in Smartptt Smartptt Scada with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Smartptt Smartptt Scada
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-43934?
- 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.
- How severe is CVE-2021-43934?
- CVE-2021-43934 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-43934 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43934?
- CVE-2021-43934 affects Smartptt Smartptt Scada. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43934?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-43934 published?
- CVE-2021-43934 was published on 2022-04-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:smartptt:smartptt_scada:1.1:*:*:*:*:*:*:*
More vulnerabilities in Smartptt Smartptt Scada
- CVE-2021-43932 — Critical (CVSS 9.0): Elcomplus SmartPTT is vulnerable when an attacker injects JavaScript code into a specific parameter that can executed…
- CVE-2021-43939 — High (CVSS 8.8): Elcomplus SmartPTT is vulnerable when a low-authenticated user can access higher level administration authorization by…
- CVE-2023-30459 — High (CVSS 7.2): SmartPTT SCADA 1.1.0.0 allows remote code execution (when the attacker has administrator privileges) by writing a…
- CVE-2021-43930 — Medium (CVSS 4.9): Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate download requests,…
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