PT-2021-21563 · Digi · Digi Transport

Published 2021-12-10 · Updated 2022-07-12 · CVE-2021-37188

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Digi TransPort devices through 2021-07-21

Description An issue allows an authenticated attacker to load customized firmware because the bootloader does not verify its authenticity, changing the gateway's behavior.

Recommendations For Digi TransPort devices through 2021-07-21, consider restricting access to the bootloader to prevent unauthorized firmware changes until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2021-37188

Affected Products

Digi Transport

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-37188 · Security Note
• https://osv.dev/vulnerability/CVE-2021-37188 · Vendor Advisory
• https://digi.com/search/results?q=transport · Vendor Advisory
• https://t.me/cvenotify/24518 · Telegram Post
• https://t.me/cibsecurity/33733 · Telegram Post
• https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt · Note