PT-2020-5364 · Microsoft · Windows

Elliot Cao + 1 · Published 2020-12-15 · Updated 2024-10-08 · CVE-2021-1648

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Windows splwow64 (affected versions not specified)

Description The vulnerability in the Microsoft Windows splwow64 process is related to errors in handling calls. Exploitation of the vulnerability may allow an attacker to elevate their privileges. It is also associated with out-of-bounds read and write issues, as well as untrusted pointer dereference, which can lead to information disclosure and privilege escalation.

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

LPE

Improper Privilege Management

Weakness Enumeration

CWE-269

CWE-264

Related Identifiers

BDU:2021-00248

CVE-2021-1648

ZDI-20-1432

ZDI-20-1433

ZDI-20-1434

ZDI-21-020

ZDI-21-022

ZDI-21-024

ZDI-21-078

ZDI-21-504

Affected Products

Windows

References · 22

• https://zerodayinitiative.com/advisories/ZDI-20-1434 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-020 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1648 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1648 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-20-1432 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-504 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1648 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-022 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1648 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00248 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-078 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-20-1433 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-1648 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-024 · Security Note
• https://t.me/cybersecuritytechnologies/2883 · Telegram Post