VulnerabilityDeferred

CVE-2025-59484

The vulnerability relies on the fact that the software uses an insecure implementation of the RSA encryption algorithm.

HIGH 8.7EPSS 0.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The use of a broken or risky cryptographic algorithm was discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software uses an insecure implementation of the RSA encryption algorithm.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.12% probability · 2th percentile
CISA KEV: Not listed
Weakness: CWE-327
Source: ics-cert@hq.dhs.gov

References

https://www.automationdirect.com/support/software-downloads
https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.