PT-2021-3809 · Microsoft · Office

Majortomsec + 1 · Published 2021-08-10 · Updated 2023-12-28 · CVE-2021-34478

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue is related to incorrect code generation management in Microsoft Office. Exploitation of this issue may allow an attacker to execute arbitrary code using a specially crafted file.

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

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-04119

CVE-2021-34478

ZDI-21-1024

Affected Products

Office

References · 8

• https://zerodayinitiative.com/advisories/ZDI-21-1024 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34478 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04119 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34478 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34478 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34478 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021081020 · Note
• https://t.me/cvenotify/20160 · Telegram Post