How severe is CVE-2022-2642?

CVE-2022-2642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-2642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2642?

CVE-2022-2642 affects Hornerautomation Rcc972 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-2642 published?

CVE-2022-2642 was published on 2022-12-02 and last updated on 2026-06-17.

CVE-2022-2642

CVE-2022-2642 is a high-severity vulnerability in Hornerautomation Rcc972 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1108.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1108
Affected product: Hornerautomation Rcc972 Firmware
Published: 2022-12-02
Last modified: 2026-06-17

Description

Horner Automation’s RCC 972 firmware version 15.40 contains global variables. This could allow an attacker to read out sensitive values and variable keys from the device.

Frequently asked questions

What is CVE-2022-2642?: Horner Automation’s RCC 972 firmware version 15.40 contains global variables. This could allow an attacker to read out sensitive values and variable keys from the device.
How severe is CVE-2022-2642?: CVE-2022-2642 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-2642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2642?: CVE-2022-2642 affects Hornerautomation Rcc972 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-2642 published?: CVE-2022-2642 was published on 2022-12-02 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:hornerautomation:rcc972_firmware:15.40:*:*:*:*:*:*:*

More vulnerabilities in Hornerautomation Rcc972 Firmware

CVE-2022-2641 — Critical (CVSS 9.8): Horner Automation’s RCC 972 with firmware version 15.40 has a static encryption key on the device. This could allow…
CVE-2022-2640 — High (CVSS 7.5): The Config-files of Horner Automation’s RCC 972 with firmware version 15.40 are encrypted with weak XOR encryption…

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