PT-2021-4751 · Microsoft · Office+1

Dio0305 · Published 2021-10-12 · Updated 2023-08-01 · CVE-2021-40479

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) Microsoft 365 Apps for Enterprise (affected versions not specified)

Description The issue is related to incorrect code generation management in Microsoft Office and Microsoft 365 Apps for Enterprise. It allows an attacker to execute arbitrary code using a specially crafted file.

Recommendations For Microsoft Office, update to a version that includes the fix for this issue. For Microsoft 365 Apps for Enterprise, update to a version that includes the fix for this issue. 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:2021-05467

CVE-2021-40479

Affected Products

365 Apps For Enterprise

Office

References · 9

• https://osv.dev/vulnerability/CVE-2021-40479 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40479 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40479 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/670477 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-40479 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40479 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05467 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021101217 · Note
• https://t.me/cibsecurity/30480 · Telegram Post