VulnerabilityModified

CVE-2021-21965

A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems, Inc.

CRITICAL 9.3EPSS 1.02%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. Specially-crafted network packets can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

CVSS 3.1: 9.3 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
EPSS: 1.02% probability · 61th percentile
CISA KEV: Not listed
Weakness: CWE-284, CWE-287
Affected: sealevel/seaconnect 370w firmware
Source: talos-cna@cisco.com

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1392Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1392Exploit, Technical Description, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.