CVE-2021-21961

CVSS V2 High 7.5 CVSS V3 Critical 10
Description
A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted network packet can lead to remote code execution. An attacker can send a malicious packet to trigger this vulnerability.
Overview
  • CVE ID
  • CVE-2021-21961
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-04T23:15:10
  • Last Modified Date
  • 2022-07-29T16:34:32
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:sealevel:seaconnect_370w:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 10
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389 Exploit Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-04-20 17:01:46 Added to TrackCVE
2022-12-06 08:35:36 2022-02-04T23:15Z 2022-02-04T23:15:10 CVE Published Date updated
2022-12-06 08:35:36 2022-07-29T16:34:32 CVE Modified Date updated
2022-12-06 08:35:36 Analyzed Vulnerability Status updated