CVE-2023-7242
CVE-2023-7242 is a high-severity vulnerability in Cisa Icsnpp-ethercat with a CVSS 3.x base score of 8.2. 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-125.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-59423
- Weakness: CWE-125
- Affected product: Cisa Icsnpp-ethercat
- Published:
- Last modified:
Description
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds read during the process of analyzing a specific Ethercat packet. This could allow an attacker to crash the Zeek process and leak some information in memory.
Frequently asked questions
- What is CVE-2023-7242?
- Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds read during the process of analyzing a specific Ethercat packet. This could allow an attacker to crash the Zeek process and leak some information in memory.
- How severe is CVE-2023-7242?
- CVE-2023-7242 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
- Is CVE-2023-7242 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-7242?
- CVE-2023-7242 affects Cisa Icsnpp-ethercat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-7242?
- 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.
- Does CVE-2023-7242 have an EU (EUVD) identifier?
- Yes. CVE-2023-7242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59423.
- When was CVE-2023-7242 published?
- CVE-2023-7242 was published on 2024-03-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*
More vulnerabilities in Cisa Icsnpp-ethercat
- CVE-2023-7244 — Critical (CVSS 9.8): Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are…
- CVE-2023-7243 — Critical (CVSS 9.8): Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are…
All CVEs affecting Cisa Icsnpp-ethercat →
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