Microsoft Windows up to Server 2019 Network File System denial of service

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Microsoft Windows. Affected is an unknown function of the component Network File System. The manipulation leads to denial of service. This vulnerability is traded as CVE-2020-17047. It is possible to launch the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Details
A vulnerability was found in Microsoft Windows (Operating System). It has been rated as critical. This issue affects some unknown processing of the component Network File System. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was released 11/10/2020 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2020-17047. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/05/2020). MITRE ATT&CK project uses the attack technique T1499 for this issue.
It is declared as proof-of-concept.
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
- 7 SP1
- 8.1
- 10
- 10 20H2
- 10 1607
- 10 1803
- 10 1809
- 10 1903
- 10 1909
- 10 2004
- RT 8.1
- Server 20H2
- Server 1903
- Server 1909
- Server 2004
- Server 2008 R2
- Server 2008 SP2
- Server 2012 R2
- Server 2016
- Server 2019
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.5
Vendor Vector (Microsoft): 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
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
08/04/2020 🔍11/10/2020 🔍
11/10/2020 🔍
11/11/2020 🔍
12/05/2020 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2020-17047 (🔍)
GCVE (CVE): GCVE-0-2020-17047
GCVE (VulDB): GCVE-100-164681
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 11/11/2020 10:23Updated: 12/05/2020 09:55
Changes: 11/11/2020 10:23 (13), 11/11/2020 10:24 (21), 11/11/2020 10:27 (19), 12/05/2020 09:52 (3), 12/05/2020 09:55 (16)
Complete: 🔍
Cache ID: 216:A30:103
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