PT-2022-9225 · Sealevel Systems · Seaconnect 370W

Francesco Benvenuto + 1 · Published 2022-02-04 · Updated 2022-07-29 · CVE-2021-21971

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

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

Description An out-of-bounds write issue exists in the URL decode functionality. A specially-crafted MQTT payload can lead to an out-of-bounds write. An attacker can perform a man-in-the-middle attack to trigger this issue.

Recommendations For version 1.3.34, consider disabling the URL decode functionality until a patch is available. Restrict access to the MQTT payload to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-21971

Affected Products

Seaconnect 370W

References · 7

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1397 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21971 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21971 · Security Note
• https://t.me/cvenotify/26546 · Telegram Post
• https://t.me/cibsecurity/36900 · Telegram Post
• https://t.me/cvenotify/29458 · Telegram Post
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1406 · Note