Strix
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CVE-2020-12517

CRITICALCVSS 9/10EPSS 1.11%

Last modified

CVE-2020-12517 is a critical-severity vulnerability rated 9/10 on the CVSS scale. On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).

Metrics

CVSS 3.1
9/10

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

EPSS Probability
1.11%

61.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhoenixcontactPlcnext Firmware< 2021.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-12517?
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
How severe is CVE-2020-12517?
CVE-2020-12517 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12517?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12517?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST