PT-2021-3813 · Microsoft · Windows Services For Nfs+1

Liubenjin · Published 2021-08-10 · Updated 2023-12-28 · CVE-2021-26433

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Services for NFS (affected versions not specified)

Description The issue is related to insufficient access restrictions in the ONCRPC XDR Driver of Windows Services for NFS, allowing a remote attacker to gain unauthorized access to protected information by sending specially crafted requests. This can lead to the disclosure of sensitive information and potentially 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:2021-04123

CVE-2021-26433

Affected Products

Windows

Windows Services For Nfs

References · 11

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26433 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26433 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26433 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26433 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/667993 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-26433 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04123 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26433 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/686780 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021081022 · Note
• https://t.me/cibsecurity/27261 · Telegram Post