Microsoft SharePoint 2010 SP2/2013 SP1/2016/2019 Update denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Microsoft SharePoint 2010 SP2/2013 SP1/2016/2019. This issue affects some unknown processing of the component Update Handler. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2021-28450. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.
Details
A vulnerability was found in Microsoft SharePoint 2010 SP2/2013 SP1/2016/2019 (Groupware Software). It has been classified as problematic. This affects an unknown code of the component Update Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was shared 04/13/2021 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2021-28450. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.4
VulDB Base Score: 5.0
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 5.0
Vendor Vector (Microsoft): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/15/2021 🔍04/13/2021 🔍
04/13/2021 🔍
04/13/2021 🔍
04/16/2021 🔍
Sources
Vendor: microsoft.comAdvisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2021-28450 (🔍)
GCVE (CVE): GCVE-0-2021-28450
GCVE (VulDB): GCVE-100-172869
Entry
Created: 04/13/2021 22:03Updated: 04/16/2021 17:24
Changes: 04/13/2021 22:03 (10), 04/13/2021 22:04 (25), 04/13/2021 22:07 (20), 04/16/2021 17:24 (2)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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