Vulnerability Details : CVE-2021-21964
Potential exploit
A denial of service vulnerability exists in the Modbus 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.
Vulnerability category: BypassGain privilegeDenial of service
Products affected by CVE-2021-21964
- cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21964
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21964
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
8.6
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
3.9
|
4.7
|
Talos | |
7.4
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H |
2.8
|
4.0
|
NIST |
CWE ids for CVE-2021-21964
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: talos-cna@cisco.com (Secondary)
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21964
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1392
TALOS-2021-1392 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
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