VDB
CVE-2021-31178
CVE-2021-31178
PUBLISHED
CVSS 5.5 MEDIUM
Microsoft Office Information Disclosure Vulnerability
Reported by microsoft · Published May 11, 2021
Microsoft Office Information Disclosure Vulnerability
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Microsoft Office 2016 | Microsoft | 16.0.5161.1000 |
| Microsoft Excel 2013 Service Pack 1 | Microsoft | 15.0.5345.1000 |
| Microsoft Office 2013 Service Pack 1 | Microsoft | 15.0.5345.1000 |
| Microsoft Office Web Apps Server 2013 Service Pack 1 | Microsoft | 15.0.5345.1000 |
| Microsoft Office 2019 | Microsoft | https://aka.ms/OfficeSecurityReleases |
| Microsoft 365 Apps for Enterprise | Microsoft | https://aka.ms/OfficeSecurityReleases |
| Microsoft Excel 2016 | Microsoft | 16.0.5161.1000 |
| Microsoft Office Online Server | Microsoft | 16.0.10374.20000 |
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Office 2019 | 19.0.0 |
| Microsoft | Microsoft Office Online Server | 16.0.1 |
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 |
| Microsoft | Microsoft Office 2016 | 16.0.0 |
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 |
| Microsoft | Microsoft Office 2013 Service Pack 1 | 15.0.0 |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 | 15.0.1 |
| Microsoft | Microsoft Office 2016 | 16.0.0 |
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 |
| Microsoft | Microsoft Office 2013 Service Pack 1 | 15.0.0 |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 | 15.0.1 |
| Microsoft | Microsoft Office 2019 | 19.0.0 |
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 |
| Microsoft | Microsoft Office Online Server | 16.0.1 |
Timeline
- May 11, 2021 CVE Published
- May 12, 2021 EPSS Score (30 in total, the first dated here)
- Aug 3, 2024 CVE Updated
- Mar 10, 2026 Security Advisory (3 in total, the first dated here)
- Aug 2, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-31178
vulnetix vdb fixes CVE-2021-31178Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-31178/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart