PT-2021-6971 · Microsoft · Windows Ancillary Function Driver For Winsock+1

Erik Egsgard · Published 2021-09-14 · Updated 2023-12-28 · CVE-2021-38629

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock (affected versions not specified)

Description The issue is related to a lack of protection for service data in the Windows Ancillary Function Driver for WinSock, which can be exploited by a remote attacker to gain unauthorized access to information. This can allow 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.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2022-02788

CVE-2021-38629

Affected Products

Windows

Windows Ancillary Function Driver For Winsock

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38629 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38629 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-38629 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38629 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-38629 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38629 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02788 · Security Note