Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE ID | CVE-2021-1713 CVE-2021-1714 |
CWE ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Microsoft Office Client/Desktop applications / Office applications Microsoft Excel Client/Desktop applications / Office applications Excel Services on Microsoft SharePoint Server Client/Desktop applications / Office applications Office Online Server Server applications / Other server solutions Microsoft Office Web Apps Server Server applications / Application servers Microsoft SharePoint Server Server applications / Application servers |
Vendor | Microsoft |
Risk: High
CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2021-1713
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Office: 2019, 2019 for Mac
Office Online Server : 2016
Microsoft Excel: 2010, 2013, 2013 RT Service Pack 1, 2016
Microsoft Office Web Apps Server: 2013 Service Pack 1
CPEhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1713
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open an attachment in an e-mail message.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: High
CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2021-1714
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Excel. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft SharePoint Server: 2013
Microsoft Office: 2010 Service Pack 2, 2013, 2013 RT, 2016, 2019, 2019 for Mac
Office Online Server : 2016
Microsoft Excel: 2010, 2013, 2013 RT Service Pack 1, 2016
Microsoft Office Web Apps Server: 2013 Service Pack 1
Excel Services on Microsoft SharePoint Server: 2013 Service Pack 1
CPEhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1714
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.