CVE-2021-46082

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.
Overview
  • CVE ID
  • CVE-2021-46082
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-18T20:15:11
  • Last Modified Date
  • 2022-02-26T03:42:13
Weakness Enumerations
CWE URL
CWE-401 http://cwe.mitre.org/data/definitions/401.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:moxa:tn-5916-wv-t_firmware:*:*:*:*:*:*:*:* 1 OR 3.1
cpe:2.3:h:moxa:tn-5916-wv-t:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:tn-5916-wv-ct-t_firmware:*:*:*:*:*:*:*:* 1 OR 3.1
cpe:2.3:h:moxa:tn-5916-wv-ct-t:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:mgate_5109_firmware:*:*:*:*:*:*:*:* 1 OR 2.2
cpe:2.3:h:moxa:mgate_5109:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:mgate_5109-t_firmware:*:*:*:*:*:*:*:* 1 OR 2.2
cpe:2.3:h:moxa:mgate_5109-t:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:mgate_5101-pbm-mn_firmware:*:*:*:*:*:*:*:* 1 OR 2.1
cpe:2.3:h:moxa:mgate_5101-pbm-mn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:moxa:mgate_5101-pbm-mn-t_firmware:*:*:*:*:*:*:*:* 1 OR 2.1
cpe:2.3:h:moxa:mgate_5101-pbm-mn-t:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
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.moxa.com/en/support/product-support/security-advisory/mgate-5109-5101-protocol-gateways-vulnerability Patch Vendor Advisory
https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerability Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-46082
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46082
History
Created Old Value New Value Data Type Notes
2022-05-10 06:31:21 Added to TrackCVE
2022-12-06 10:11:10 2022-02-18T20:15Z 2022-02-18T20:15:11 CVE Published Date updated
2022-12-06 10:11:10 2022-02-26T03:42:13 CVE Modified Date updated
2022-12-06 10:11:10 Analyzed Vulnerability Status updated