VULNERABILITY INTELLIGENCE

CVE-2021-21960

CVSS score10 CRITICAL
EPSS probability2.64%
CISA KEVNot currently listed
Published2022-02-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

A stack-based buffer overflow vulnerability exists in both the LLMNR 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.

Weakness classification

  • talos-cna@cisco.com: CWE-121
  • nvd@nist.gov: CWE-1284

Primary references