CVE-2020-12519

9.8 criticalEPSS 0.9%

Critical (9.8) in phoenixcontact plcnext firmware. EPSS 0.9% chance of exploitation in the next 30 days.

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use this vulnerability i.e. to open a reverse shell with root privileges.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2020-12-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

phoenixcontact:plcnext_firmware

References

https://cert.vde.com/en-us/advisories/vde-2020-049
https://cert.vde.com/en-us/advisories/vde-2020-049

Check your stack JSON