How severe is CVE-2018-11311?

CVE-2018-11311 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2018-11311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11311?

CVE-2018-11311 affects Myscada Mypro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11311?

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-2018-11311 published?

CVE-2018-11311 was published on 2018-05-20 and last updated on 2026-06-17.

CVE-2018-11311

CVE-2018-11311 is a critical-severity vulnerability in Myscada Mypro with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Myscada Mypro
Published: 2018-05-20
Last modified: 2026-06-17

Description

A hardcoded FTP username of myscada and password of Vikuk63 in 'myscadagate.exe' in mySCADA myPRO 7 allows remote attackers to access the FTP server on port 2121, and upload files or list directories, by entering these credentials.

Frequently asked questions

What is CVE-2018-11311?: A hardcoded FTP username of myscada and password of Vikuk63 in 'myscadagate.exe' in mySCADA myPRO 7 allows remote attackers to access the FTP server on port 2121, and upload files or list directories, by entering these credentials.
How severe is CVE-2018-11311?: CVE-2018-11311 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2018-11311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11311?: CVE-2018-11311 affects Myscada Mypro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11311?: 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-2018-11311 published?: CVE-2018-11311 was published on 2018-05-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:myscada:mypro:7.0:*:*:*:*:*:*:*

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