What’s Vulnerable › Vulnerabilities

CVE-2017-5159

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-13 · updated 2026-06-17
• Weakness: CWE-99

Description

An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default value.

Affected products

• Phoenix Contact mGuard 8.4.0: 8.4.0

References

• http://www.securityfocus.com/bid/95648
• https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01
• http://www.securityfocus.com/bid/95648
• https://ics-cert.us-cert.gov/advisories/ICSA-17-017-01

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