What is the CVSS score of CVE-2022-2043?

CVE-2022-2043 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Nport 5110 Firmware CVE-2022-2043

HIGH

Out-of-bounds Write (CWE-787)

2022-08-31 ics-cert@hq.dhs.gov

Memory Corruption Buffer Overflow Nport 5110 Firmware

7.5

CVSS 3.1 · 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:3.1/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

Aug 31, 2022 - 16:15 nvd

HIGH 7.5

DescriptionNVD

MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that can cause the device to become unresponsive.

AnalysisAI

MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that can cause the device to become unresponsive. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. MOXA NPort 5110: Firmware Versions 2.10 is vulnerable to an out-of-bounds write that can cause the device to become unresponsive. Affected products include: Moxa Nport 5110 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).