Vulnerability Details : CVE-2023-7243
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat
Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds
write while analyzing specific Ethercat datagrams. This could allow an
attacker to cause arbitrary code execution.
Vulnerability category: Memory Corruption
Products affected by CVE-2023-7243
- cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-7243
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-7243
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
ICS-CERT | 2024-03-01 |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | 2024-03-07 |
CWE ids for CVE-2023-7243
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2023-7243
-
https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02
Ethercat Zeek Plugin | CISAUS Government Resource;Vendor Advisory
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