What is the CVSS score of CVE-2021-25846?

CVE-2021-25846 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: 1.0%.

Vport 06Ec 2V26M Firmware CVE-2021-25846

HIGH

Integer Underflow (CWE-191)

2021-05-10 cve@mitre.org

Integer Overflow Denial Of Service Vport 06Ec 2V26M Firmware Vport 06Ec 2V36M T Firmware Vport 06Ec 2V36M Ct Firmware Vport 06Ec 2V36M Ct T Firmware Vport 06Ec 2V42M Firmware Vport 06Ec 2V42M T Firmware Vport 06Ec 2V42M Ct Firmware Vport 06Ec 2V42M Ct T Firmware Vport 06Ec 2V60M Firmware Vport 06Ec 2V60M T Firmware Vport 06Ec 2V60M Ct Firmware Vport 06Ec 2V60M Ct T Firmware Vport 06Ec 2V80M Firmware Vport 06Ec 2V80M T Firmware Vport 06Ec 2V80M Ct Firmware Vport 06Ec 2V80M Ct T 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

May 10, 2021 - 11:15 nvd

HIGH 7.5

DescriptionNVD

AnalysisAI

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the. 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 under CWE-191. Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet. Affected products include: Moxa Vport 06Ec-2V26M Firmware, Moxa Vport 06Ec-2V36M-T Firmware, Moxa Vport 06Ec-2V36M-Ct Firmware, Moxa Vport 06Ec-2V36M-Ct-T Firmware, Moxa Vport 06Ec-2V42M Firmware. Version information: version 1.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.