by Kastro
Paper/Archive/CVE-2021-21960

CVE-2021-21960

talos — A stack-based buffer overflow vulnerability exists in both the LLMNR functionality of Sealevel Systems, Inc.

EPSS 3%public exploitCVSS 10.0
critical.is priorityof 100
57
CVSS 10.0 (CNA, NVD agree)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 85.6.856 × 2017.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SealevelSealevel Systems, Inc. SeaConnect 370W v1.3.34–CNA

Scores by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
talos (CNA)10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1389