Microsoft Windows up to Server 2019 MSHTML Platform Remote Code Execution
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $5k-$25k | 0.00 |
A vulnerability was found in Microsoft Windows (Operating System) and classified as critical. Affected by this issue is an unknown part of the component MSHTML Platform. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 06/08/2021 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2021-33742. 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 06/09/2021).
It is declared as functional. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:
Apply updates per vendor instructions.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Vendor
Name
Version
- 7 SP1
- 8.1
- 10
- 10 20H2
- 10 21H1
- 10 1607
- 10 1809
- 10 1909
- 10 2004
- RT 8.1
- Server 20H2
- Server 1909
- Server 2004
- Server 2008 R2 SP1
- Server 2008 SP2
- Server 2012
- Server 2012 R2
- Server 2016
- Server 2019
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.5
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.5
Vendor Vector (Microsoft): 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Remote Code ExecutionCWE: Unknown
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Functional
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
05/28/2021 🔍06/08/2021 🔍
06/08/2021 🔍
06/09/2021 🔍
06/11/2021 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2021-33742 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 06/09/2021 07:40Updated: 06/11/2021 08:57
Changes: 06/09/2021 07:40 (34), 06/09/2021 07:43 (21), 06/11/2021 08:57 (2)
Complete: 🔍
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