What is the CVSS score of CVE-2018-18759?

CVE-2018-18759 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 8.8%.

Is there a public PoC exploit available for CVE-2018-18759?

Yes, a public proof-of-concept exploit is available for CVE-2018-18759. Prioritise patching immediately. EPSS: 8.8%.

Modbus Slave CVE-2018-18759

HIGH

Buffer Overflow (CWE-119)

2018-11-16 cve@mitre.org

Buffer Overflow Modbus Slave

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 16, 2018 - 18:29 nvd

HIGH 7.5

DescriptionNVD

Modbus Slave 7.0.0 in modbus tools has a Buffer Overflow.

AnalysisAI

Modbus Slave 7.0.0 in modbus tools has a Buffer Overflow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Affected products include: Modbustools Modbus Slave.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.