PT-2022-9215 · Sealevel Systems · Seaconnect 370W

Francesco Benvenuto + 1 · Published 2022-02-04 · Updated 2022-07-29 · CVE-2021-21961

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Sealevel Systems, Inc. SeaConnect 370W version 1.3.34

Description A stack-based buffer overflow vulnerability exists in the NBNS functionality. This issue can be triggered by a specially-crafted network packet, potentially leading to remote code execution. An attacker can exploit this by sending a malicious packet.

Recommendations For version 1.3.34, consider restricting access to the NBNS functionality until a patch is available. As a temporary workaround, network traffic should be monitored closely for suspicious packets to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2021-21961

Affected Products

Seaconnect 370W

References · 4

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21961 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21961 · Vendor Advisory
• https://t.me/cibsecurity/36898 · Telegram Post