CVE-2022-2640

7.5 highEPSS 0.3%

High (7.5) in hornerautomation rcc972 firmware. EPSS 0.3% chance of exploitation in the next 30 days.

The Config-files of Horner Automation’s RCC 972 with firmware version 15.40 are encrypted with weak XOR encryption vulnerable to reverse engineering. This could allow an attacker to obtain credentials to run services such as File Transfer Protocol (FTP) and Hypertext Transfer Protocol (HTTP).

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-326
Published: 2022-12-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hornerautomation:rcc972_firmware

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-335-02
https://www.cisa.gov/uscert/ics/advisories/icsa-22-335-02

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