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CRITICAL · 9.1

CVE-2021-25848

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 cou...

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MoxaVport 06Ec-2V26M Firmware<= 1.1
MoxaVport 06Ec-2V26M-
MoxaVport 06Ec-2V36M-T Firmware<= 1.1
MoxaVport 06Ec-2V36M-T-
MoxaVport 06Ec-2V36M-Ct Firmware<= 1.1
MoxaVport 06Ec-2V36M-Ct-
MoxaVport 06Ec-2V36M-Ct-T Firmware<= 1.1
MoxaVport 06Ec-2V36M-Ct-T-
MoxaVport 06Ec-2V42M Firmware<= 1.1
MoxaVport 06Ec-2V42M-
MoxaVport 06Ec-2V42M-T Firmware<= 1.1
MoxaVport 06Ec-2V42M-T-
MoxaVport 06Ec-2V42M-Ct Firmware<= 1.1
MoxaVport 06Ec-2V42M-Ct-
MoxaVport 06Ec-2V42M-Ct-T Firmware<= 1.1
MoxaVport 06Ec-2V42M-Ct-T-
MoxaVport 06Ec-2V60M Firmware<= 1.1
MoxaVport 06Ec-2V60M-
MoxaVport 06Ec-2V60M-T Firmware<= 1.1
MoxaVport 06Ec-2V60M-T-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2021-25848?

CVE-2021-25848 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 cou...

How severe is CVE-2021-25848?

CVE-2021-25848 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-25848?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Vport 06Ec-2V26M Firmware, Moxa Vport 06Ec-2V26M, Moxa Vport 06Ec-2V36M-T Firmware, Moxa Vport 06Ec-2V36M-T, Moxa Vport 06Ec-2V36M-Ct Firmware.