CVE-2018-20410
CVE-2018-20410 is a high-severity vulnerability in Wellintech Kingscada with a CVSS 3.x base score of 7.5. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Wellintech Kingscada
- Published:
- Last modified:
Description
WellinTech KingSCADA before 3.7.0.0.1 contains a stack-based buffer overflow. The vulnerability is triggered when sending a specially crafted packet to the AlarmServer (AEserver.exe) service listening on TCP port 12401.
Frequently asked questions
- What is CVE-2018-20410?
- WellinTech KingSCADA before 3.7.0.0.1 contains a stack-based buffer overflow. The vulnerability is triggered when sending a specially crafted packet to the AlarmServer (AEserver.exe) service listening on TCP port 12401.
- How severe is CVE-2018-20410?
- CVE-2018-20410 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-20410 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20410?
- CVE-2018-20410 affects Wellintech Kingscada. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20410?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-20410 published?
- CVE-2018-20410 was published on 2018-12-24 and last updated on 2026-06-17.
References
- https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/Debugging.md
- https://github.com/flypuma/vul/blob/master/kingview/copy_argumengt_overflow/poc.py
Affected products (1)
- cpe:2.3:a:wellintech:kingscada:*:*:*:*:*:*:*:*
More vulnerabilities in Wellintech Kingscada
- CVE-2014-0787 — Critical (CVSS 10.0): Stack-based buffer overflow in WellinTech KingSCADA before 3.1.2.13 allows remote attackers to execute arbitrary code…
- CVE-2013-2827 — High (CVSS 7.5): An unspecified ActiveX control in WellinTech KingSCADA before 3.1.2, KingAlarm&Event before 3.1, and KingGraphic before…
- CVE-2013-2826 — Medium (CVSS 6.4): WellinTech KingSCADA before 3.1.2, KingAlarm&Event before 3.1, and KingGraphic before 3.1.2 perform authentication on…
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