Microsoft Office 365 Apps for Enterprise up to 2019 Excel Remote Code Execution
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability was found in Microsoft Office 365 Apps for Enterprise up to 2019 (Office Suite Software). It has been declared as critical. This vulnerability affects an unknown code block of the component Excel. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Microsoft Office Remote Code Execution Vulnerability
The weakness was published 04/13/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability was named CVE-2021-28449 since 03/15/2021. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/16/2021).
It is declared as proof-of-concept.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline03/15/2021 CVE assigned
04/13/2021 +29 days VulDB entry created
04/13/2021 +0 days Advisory disclosed
04/13/2021 +0 days Countermeasure disclosed
04/16/2021 +3 days VulDB last update
CVE: CVE-2021-28449 (🔒)
EntryCreated: 04/13/2021 10:04 PM
Updated: 04/16/2021 05:27 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
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