CVE-2021-34520
published 2021-07-14CVE-2021-34520: Microsoft SharePoint Server Remote Code Execution Vulnerability
PriorityP357high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
3.32%
87.2th percentile
Microsoft SharePoint Server Remote Code Execution Vulnerability
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sharepoint_enterprise_server_2016 | >= 16.0.0 < 16.0.5188.1000 | 16.0.5188.1000 |
| microsoft | microsoft_sharepoint_foundation_2013_service_pack_1 | >= 15.0.0 < 15.0.5363.1000 | 15.0.5363.1000 |
| microsoft | microsoft_sharepoint_server_2019 | >= 16.0.0 < 16.0.10376.20001 | 16.0.10376.20001 |
| microsoft | sharepoint_foundation | — | — |
| microsoft | sharepoint_server | — | — |
| microsoft | sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_foundation_2013_service_pack_1 | — | — |
| msrc | microsoft_sharepoint_server_2019 | — | — |
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_msrc8.1HIGH
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Microsoft
Microsoft SharePoint Server Remote Code Execution Vulnerability
vendor_msrc·2021-07-13·CVSS 8.1
CVE-2021-34520 [HIGH] Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft Office SharePoint: Microsoft Office SharePoint
Microsoft: Microsoft
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely;Older Software Release:Exploitation More Likely;DOS:N/A
Reference: https://www.microsoft.com/downloads/details.aspx?familyid=1ba6f08d-2275-4acd-96bd-c7334ce29e3f
Reference: https://support.microsoft.com/help/5001976
Reference: https://www.microsoft.com/downloads/details.aspx?familyid=5fcd24e6-d6a0-457d-b178-35028cb34573
Reference: https://support.microsoft.com/help/5001975
Reference: https://www.microsoft.com/downloads/details.aspx?familyid=0f7b1092-d203-481b-b22e-b26aa369534e
Reference: https://support.microsoft
GHSA
GHSA-mfh6-354r-228r: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34520
ghsa_unreviewed·2022-05-24·CVSS 7.1
CVE-2021-34468 [HIGH] GHSA-mfh6-354r-228r: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34520
Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34520.
GHSA
GHSA-hr4m-jq9r-c4gx: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34468
ghsa_unreviewed·2022-05-24·CVSS 7.1
CVE-2021-34520 [HIGH] CWE-502 GHSA-hr4m-jq9r-c4gx: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34468
Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34468.
GHSA
GHSA-q9h6-px4c-2cqp: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34468, CVE-2021-34520
ghsa_unreviewed·2022-05-24·CVSS 7.1
CVE-2021-34467 [HIGH] GHSA-q9h6-px4c-2cqp: Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34468, CVE-2021-34520
Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34468, CVE-2021-34520.
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities
blogs_talos·2021-07-13·CVSS 6.8
[MEDIUM] Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities
By Jon Munshaw, with contributions from Jaeson Schultz.
Microsoft released its monthly security update Tuesday, disclosing 117 vulnerabilities across its suite of products, by far the most in a month this year. Today’s Patch Tuesday includes three vulnerabilities that Microsoft states are being exploited in the wild, which we will cover in more detail.
There are 13 critical vulnerabilities patched in this month, and there is one low- and moderate-severity vulnerability each. The remainder are considered “important.”
Most notably, Microsoft has released an update to patch the “PrintNightmare” vulnerability in its print spooler function that could allow an attacker to execute remote code. This vulnerability was first disclosed in April, though security researchers later discovered it coul
Qualys
Microsoft and Adobe Patch Tuesday (July 2021) – Microsoft 117 Vulnerabilities with 13 Critical, Adobe 26 Vulnerabilities | Qualys
blogs_qualys·2021-07-13·CVSS 7.8
CVE-2021-34448 [HIGH] Microsoft and Adobe Patch Tuesday (July 2021) – Microsoft 117 Vulnerabilities with 13 Critical, Adobe 26 Vulnerabilities | Qualys
### Microsoft Patch Tuesday – July 2021
Microsoft patched 117 vulnerabilities in their July 2021 Patch Tuesday release, and 13 of them are rated as critical severity.
### Critical Microsoft Vulnerabilities Patched
CVE-2021-34448 – Scripting Engine Memory Corruption Vulnerability
This is being actively exploited. The vulnerability allows an attacker to execute malicious code on a compromised website if a user browses to a specially crafted file on the website. The vendor has assigned a CVSSv3 base score of 6.8 and should be prioritized for patching.
CVE-2021-34494 – Windows DNS Server Remote Code Execution Vulnerability
Microsoft released patches addressing a critical RCE vulnerability in Windows DNS Server (CVE-2021-34494). This CVE has a high likelihood of exploitability and is assi
Talos
Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities
blogs_talos·2021-07-13·CVSS 6.8
[MEDIUM] Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities
By Jon Munshaw, with contributions from Jaeson Schultz.
Microsoft released its monthly security update Tuesday, disclosing 117 vulnerabilities across its suite of products, by far the most in a month this year. Today’s Patch Tuesday includes three vulnerabilities that Microsoft states are being exploited in the wild, which we will cover in more detail.
There are 13 critical vulnerabilities patched in this month, and there is one low- and moderate-severity vulnerability each. The remainder are considered “important.”
Most notably, Microsoft has released an update to patch the “PrintNightmare” vulnerability in its print spooler function that could allow an attacker to execute remote code. This vulnerabil
Qualys
Microsoft and Adobe Patch Tuesday (July 2021) – Microsoft 117 Vulnerabilities with 13 Critical, Adobe 26 Vulnerabilities
blogs_qualys·2021-07-13·CVSS 7.8
CVE-2021-34448 [HIGH] Microsoft and Adobe Patch Tuesday (July 2021) – Microsoft 117 Vulnerabilities with 13 Critical, Adobe 26 Vulnerabilities
## Microsoft Patch Tuesday – July 2021
Microsoft patched 117 vulnerabilities in their July 2021 Patch Tuesday release, and 13 of them are rated as critical severity.
## Critical Microsoft Vulnerabilities Patched
CVE-2021-34448 – Scripting Engine Memory Corruption Vulnerability
This is being actively exploited. The vulnerability allows an attacker to execute malicious code on a compromised website if a user browses to a specially crafted file on the website. The vendor has assigned a CVSSv3 base score of 6.8 and should be prioritized for patching.
CVE-2021-34494 – Windows DNS Server Remote Code Execution Vulnerability
Microsoft released patches addressing a critical RCE vulnerability in Windows DNS Server (CVE-2021-34494). This CVE has a high likelihood of exploitability and is assign
2021-07-14
Published