CVE-2020-17121
published 2020-12-10CVE-2020-17121: Microsoft SharePoint Remote Code Execution Vulnerability
PriorityP357high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
3.06%
86.1th percentile
Microsoft SharePoint Remote Code Execution Vulnerability
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sharepoint_enterprise_server_2016 | >= 16.0.0 < publication | publication |
| microsoft | microsoft_sharepoint_foundation_2010_service_pack_2 | >= 13.0.0 < publication | publication |
| microsoft | microsoft_sharepoint_foundation_2013_service_pack_1 | >= 15.0.0 < publication | publication |
| microsoft | microsoft_sharepoint_server_2019 | >= 16.0.0 < publication | publication |
| microsoft | sharepoint_foundation | — | — |
| microsoft | sharepoint_foundation | — | — |
| microsoft | sharepoint_server | — | — |
| microsoft | sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_foundation_2010_service_pack_2 | — | — |
| msrc | microsoft_sharepoint_foundation_2013_service_pack_1 | — | — |
| msrc | microsoft_sharepoint_server_2019 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Attack vector is network-based; attacker must have privileges to create a site on SharePoint to achieve remote code execution ↗
- ·Exploitation assessed as 'More Likely' for both latest and older software releases of Microsoft Office SharePoint, despite no confirmed in-the-wild exploitation at time of disclosure ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
vendor_msrc8.8HIGH
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GHSA
GHSA-v22m-mfm8-q276: , aka 'Microsoft SharePoint Remote Code Execution Vulnerability'
ghsa_unreviewed·2022-05-24·CVSS 8.1
CVE-2020-17121 [HIGH] GHSA-v22m-mfm8-q276: , aka 'Microsoft SharePoint Remote Code Execution Vulnerability'
, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-17118.
GHSA
GHSA-9p83-qxxf-6fm5: , aka 'Microsoft SharePoint Remote Code Execution Vulnerability'
ghsa_unreviewed·2022-05-24·CVSS 8.8
CVE-2020-17118 [HIGH] GHSA-9p83-qxxf-6fm5: , aka 'Microsoft SharePoint Remote Code Execution Vulnerability'
, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-17121.
Microsoft
Microsoft SharePoint Remote Code Execution Vulnerability
vendor_msrc·2020-12-08·CVSS 8.8
CVE-2020-17121 [HIGH] Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft SharePoint Remote Code Execution Vulnerability
FAQ: What is the attack vector for this vulnerability?
In a network-based attack an attacker could gain access to create a site and could execute code remotely. The attacker would need to have privileges.
Microsoft Office SharePoint: Microsoft Office SharePoint
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely;Older Software Release:Exploitation More Likely
Reference: https://www.microsoft.com/download/details.aspx?familyid=259a4b86-7086-4240-8928-d40956abc4db
Reference: https://support.microsoft.com/kb/4493138
Reference: https://www.microsoft.com/download/details.aspx?familyid=4abefe8e-b03a-47b2
No detection rules found.
No public exploits indexed.
Checkpoint
14th December – Threat Intelligence Bulletin
blogs_checkpoint·2020-12-14
CVE-2020-1971 14th December – Threat Intelligence Bulletin
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## 14th December – Threat Intelligence Bulletin
For the latest discoveries in cyber research for the week of 14th December, please download our Threat Intelligence Bulletin .
Top Attacks and Breaches
The US Treasury Department and US Department of Commerce were victims of a cyberattack compromising their internal email traffic. Perhaps related , SolarWinds IT management software has been exploited in a supply chain attack, adding malicious code to its software updates released between March and June 2020.
Habana
Trendmicro
December Patch Tuesday Fixes Exchange, SMB
blogs_trendmicro·2020-12-09·CVSS 6.6
[MEDIUM] December Patch Tuesday Fixes Exchange, SMB
# December Patch Tuesday Fixes Exchange, SMB
The last set of updates for the year includes 58 patches for the Microsoft Office suite.
By: Trend Micro
2020/12/09
Read time: ( words)
Save to Folio
Updated on 12/9/2020 02:37PM PST to include Trend Micro Deep Security and Vulnerability Protection rules.
The last set of updates for the year includes 58 patches for the Microsoft Office suite. Of the total number, nine have been rated Critical and 46 as Important. A significant number of updates fixes gaps in MS Exchange vulnerable to remote code execution (RCE) and information disclosure, as well as a server message block (SMB) gap also noted for the latter vulnerability. No zero days have been observed, though several vulnerabilities have been deemed as likely for abuse. Six of the total
Tenable
Microsoft’s December 2020 Patch Tuesday Addresses 58 CVEs including CVE-2020-25705 (SAD DNS)
blogs_tenable·2020-12-08·CVSS 7.4
[HIGH] Microsoft’s December 2020 Patch Tuesday Addresses 58 CVEs including CVE-2020-25705 (SAD DNS)
## Cloud Exposure
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## Business needs
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Qualys
December 2020 Patch Tuesday – 58 Vulnerabilities, 9 Critical, Windows Exchange, Hyper-V, SharePoint, Adobe
blogs_qualys·2020-12-08·CVSS 8.5
[HIGH] December 2020 Patch Tuesday – 58 Vulnerabilities, 9 Critical, Windows Exchange, Hyper-V, SharePoint, Adobe
This month’s Microsoft Patch Tuesday addresses 58 vulnerabilities with 9 of them labeled as Critical. The 9 Critical vulnerabilities cover Exchange, SharePoint, Hyper-V, Chakra Scripting, and several other workstation vulnerabilities. Adobe released patches today for Experience Manager, Prelude, Lightroom and pre-notification security advisory for Acrobat and Reader .
## Workstation Patches
Today’s Patch Tuesday fixes vulnerabilities that would impact workstations. The Office, Edge, Chakra vulnerabilities should be prioritized for workstation-type devices, meaning any system that is used for email or to access the internet via a browser. This includes multi-user servers that are used as remote desktops for users.
## Microsoft Exchange RCE
Microsoft patched five Remote Code Execution vu
Qualys
December 2020 Patch Tuesday – 58 Vulnerabilities, 9 Critical, Windows Exchange, Hyper-V, SharePoint, Adobe | Qualys
blogs_qualys·2020-12-08·CVSS 8.5
[HIGH] December 2020 Patch Tuesday – 58 Vulnerabilities, 9 Critical, Windows Exchange, Hyper-V, SharePoint, Adobe | Qualys
This month’s Microsoft Patch Tuesday addresses 58 vulnerabilities with 9 of them labeled as Critical. The 9 Critical vulnerabilities cover Exchange, SharePoint, Hyper-V, Chakra Scripting, and several other workstation vulnerabilities. Adobe released patches today for Experience Manager, Prelude, Lightroom and pre-notification security advisory for Acrobat and Reader.
### Workstation Patches
Today’s Patch Tuesday fixes vulnerabilities that would impact workstations. The Office, Edge, Chakra vulnerabilities should be prioritized for workstation-type devices, meaning any system that is used for email or to access the internet via a browser. This includes multi-user servers that are used as remote desktops for users.
### Microsoft Exchange RCE
Microsoft patched five Remote Code Execution v
2020-12-10
Published