CVE-2021-25848 : Improper validation of the length field of LLDP-MED TLV in userdisk/vport

Improper validation of the length field of LLDP-MED TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows information disclosure to attackers due to using fixed loop counter variable without checking the actual available length via a crafted lldp packet.

Published 2021-05-10 11:15:08

Updated 2021-05-18 19:57:49

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2021-25848

Moxa » Vport 06ec-2v26m Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v26m_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v26m » Version: N/A
Moxa » Vport 06ec-2v36m-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v36m-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v36m-t » Version: N/A
Moxa » Vport 06ec-2v36m-ct Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v36m-ct_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v36m-ct » Version: N/A
Moxa » Vport 06ec-2v36m-ct-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v36m-ct-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v36m-ct-t » Version: N/A
Moxa » Vport 06ec-2v42m Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v42m_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v42m » Version: N/A
Moxa » Vport 06ec-2v42m-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v42m-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v42m-t » Version: N/A
Moxa » Vport 06ec-2v42m-ct Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v42m-ct_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v42m-ct » Version: N/A
Moxa » Vport 06ec-2v42m-ct-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v42m-ct-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v42m-ct-t » Version: N/A
Moxa » Vport 06ec-2v60m Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v60m_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v60m » Version: N/A
Moxa » Vport 06ec-2v60m-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v60m-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v60m-t » Version: N/A
Moxa » Vport 06ec-2v60m-ct Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v60m-ct_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v60m-ct » Version: N/A
Moxa » Vport 06ec-2v60m-ct-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v60m-ct-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v60m-ct-t » Version: N/A
Moxa » Vport 06ec-2v80m Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v80m_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v80m » Version: N/A
Moxa » Vport 06ec-2v80m-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v80m-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v80m-t » Version: N/A
Moxa » Vport 06ec-2v80m-ct Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v80m-ct_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v80m-ct » Version: N/A
Moxa » Vport 06ec-2v80m-ct-t Firmware
Versions up to, including, (<=) 1.1
cpe:2.3:o:moxa:vport_06ec-2v80m-ct-t_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Vport 06ec-2v80m-ct-t » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-25848

EPSS FAQ

0.38%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 58 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-25848

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
8.5	HIGH	AV:N/AC:L/Au:N/C:P/I:N/A:C	10.0	7.8	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: Complete
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: High

CWE ids for CVE-2021-25848

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-25848

https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities

VPort 06EC-2V Series IP Cameras Vulnerabilities
Vendor Advisory

CVEs referencing this url
https://www.moxa.com/en/

Moxa - Your Trusted Partner in Automation
Vendor Advisory

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Vulnerability Details : CVE-2021-25848

Products affected by CVE-2021-25848

Exploit prediction scoring system (EPSS) score for CVE-2021-25848

CVSS scores for CVE-2021-25848

CWE ids for CVE-2021-25848

References for CVE-2021-25848