CVE-2021-21965

CRITICALCVSS 9.3/10EPSS 1.00%

Last modified

CVE-2021-21965 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H

EPSS Probability
1.00%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SealevelSeaconnect 370w Firmware1.3.34

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21965?
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.
How severe is CVE-2021-21965?
CVE-2021-21965 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21965?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21965?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST