CVE-2021-21965CWE-284

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

High · published February 4, 2022

CVSS v3.0
8.6
EPSS
1%
Percentile
63.1
In the wild
Unconfirmed
What it is

⚡ A single malicious network packet can throw the SeaConnect 370W into chaos! This vulnerability in the remote configuration exposes it to denial of service attacks. 🔥 Think of the SeaConnect 370W as a busy restaurant. A single patron sending in a fake food order can create total confusion in the kitchen, leading to lost orders and unhappy diners. That's exactly what these crafted packets do – they disrupt normal operations and cause a service crash! If exploited, attackers could render the SeaConnect 370W completely non-responsive, much like a restaurant unable to serve customers due to kitchen chaos. This denial of service could interrupt operations and impact productivity, leaving users frustrated and unable to rely on their devices.

Put simply

Think of the SeaConnect 370W as a busy restaurant. A single patron sending in a fake food order can create total confusion in the kitchen, leading to lost orders and unhappy diners. That's exactly what these crafted packets do – they disrupt normal operations and cause a service crash! CVE-2021-21965 allows attackers to send specially-crafted packets to the SeaConnect 370W, leading to a denial of service by overloading the remote configuration functionality and crashing the service.

What to do

If exploited, attackers could render the SeaConnect 370W completely non-responsive, much like a restaurant unable to serve customers due to kitchen chaos. This denial of service could interrupt operations and impact productivity, leaving users frustrated and unable to rely on their devices. To secure your SeaConnect 370W, make sure to update to version 1.3.35 immediately. Additionally, consider implementing network-level protections, such as an Intrusion Prevention System (IPS), to filter out malicious packets. Regularly monitoring your network traffic can also help identify suspicious activities early. You've got this! By following these steps, you'll keep your SeaConnect 370W safe and sound. 🛡️

The record
Technical detail
CVSS v3.0
8.6 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.01021 · 63.1th percentile
Weakness
CWE-284 · Improper Access Control
Published
2022-02-04T22:29Z
EPSS history
Timeline
  • 04 FEB 22:29Z
    A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems, Inc
    cvelistv5