PT-2021-1543 · Microsoft · Windows

Walied Assar · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1699

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows (modem.sys)

Description The issue exists due to insufficient input validation in the modem.sys component of the Windows operating system. This can allow an attacker to obtain unauthorized access to protected information. The vulnerability may enable attackers to obtain sensitive information and affect the system.

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

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2021-00142

CVE-2021-1699

Affected Products

Windows

References · 9

• 🔥 https://github.com/waleedassar/CVE-2021-1699 · Exploit
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1699 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1699 · Security Note
• https://bdu.fstec.ru/vul/2021-00142 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1699 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1699 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1699 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1699 · Note
• https://cybersecurity-help.cz/vdb/SB2021011273 · Note