PT-2021-6207 · Microsoft · Defender For Iot

Kasif Dekel + 2 · Published 2021-09-17 · Updated 2023-12-28 · CVE-2021-42311

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 Microsoft Defender for IoT (affected versions not specified)

Description The issue is related to incorrect code generation management in Microsoft Defender for IoT, which can be exploited by a remote attacker to execute arbitrary code using a specially crafted request. This may also involve an SQL injection vulnerability in the update-handshake endpoint, potentially allowing authentication bypass.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Code Injection

SQL injection

Weakness Enumeration

CWE-94

CWE-89

Related Identifiers

BDU:2022-01123

CVE-2021-42311

ZDI-21-1556

Affected Products

Defender For Iot

References · 18

• 🔥 https://zerodayinitiative.com/advisories/ZDI-21-1556 · Exploit
• https://osv.dev/vulnerability/CVE-2021-42311 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42311 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01123 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-42311 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42311 · Vendor Advisory
• https://t.me/cibsecurity/34018 · Telegram Post
• https://t.me/true_secator/2785 · Telegram Post
• https://t.me/cvenotify/65333 · Telegram Post
• https://t.me/cvenotify/24703 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021121450 · Note
• https://t.me/cvenotify/24705 · Telegram Post
• https://t.me/cvenotify/24759 · Telegram Post
• https://t.me/cvenotify/28382 · Telegram Post
• https://t.me/cibsecurity/34032 · Telegram Post