CVE-2021-31178 — Integer Underflow (Wrap or Wraparound) in Microsoft 365 Apps FOR Enterprise

CWE-191 — Integer Underflow (Wrap or Wraparound)CWE-200 — Sensitive Information Exposure4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
41.9%
top 2.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Microsoft 365 Apps FOR EnterpriseMicrosoft Excel 2013 Service Pack 1Microsoft Excel 2016+9 more
Timeline
PublishedMay 11
Latest updateMay 24

Description

Microsoft Office Information Disclosure Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages12 packages

▶CVEListV5microsoft/microsoft_office_201616.0.0 — 16.0.5161.1000
▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_online_server16.0.1 — 16.0.10374.20000
▶CVEListV5microsoft/microsoft_office_2013_service_pack_115.0.0 — 15.0.5345.1000

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-gr4f-j3r7-9p3j: Microsoft Office Information Disclosure Vulnerability↗2022-05-24
▶
CVEList
Microsoft Office Information Disclosure Vulnerability↗2021-05-11
▶

📋Vendor Advisories

1
Microsoft
Microsoft Office Information Disclosure Vulnerability↗2021-05-11
▶
CVE-2021-31178 — Integer Underflow (Wrap or Wraparound) | cvebase