CVE-2022-2640
CVE-2022-2640 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-326.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-326
- Affected product: Hornerautomation Rcc972 Firmware
- Published:
- Last modified:
Description
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).
Frequently asked questions
- What is CVE-2022-2640?
- 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).
- How severe is CVE-2022-2640?
- CVE-2022-2640 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-2022-2640 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-2640?
- CVE-2022-2640 affects Hornerautomation Rcc972 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-2640?
- 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-2022-2640 published?
- CVE-2022-2640 was published on 2022-12-02 and last updated on 2026-06-17.
References
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-2022-2642 — High (CVSS 7.5): Horner Automation’s RCC 972 firmware version 15.40 contains global variables. This could allow an attacker to read…
All CVEs affecting Hornerautomation Rcc972 Firmware →
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