CVE-2021-33317

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null pointer dereference vulnerability. This vulnerability exists in its lldp related component. Due to fail to check if ChassisID TLV is contained in the packet, by sending a crafted lldp packet to the device, an attacker can crash the process due to null pointer dereference.
Overview
  • CVE ID
  • CVE-2021-33317
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-05-11T18:15:22
  • Last Modified Date
  • 2022-05-20T15:38:02
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:trendnet:ti-pg1284i_firmware:*:*:*:*:*:*:*:* 1 OR 2.0.2.s0
cpe:2.3:h:trendnet:ti-pg1284i:2.0r:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-g102i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-g102i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-g160i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-g160i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-g642i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-g642i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-pg102i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-pg102i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-pg541i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-pg541i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:ti-rp262i_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:ti-rp262i:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:teg-30102ws_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:teg-30102ws:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:trendnet:tpe-30102ws_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:trendnet:tpe-30102ws:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.trendnet.com/support/view.asp?cat=4&id=81
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33317
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33317
History
Created Old Value New Value Data Type Notes
2022-05-11 19:00:19 Added to TrackCVE