Microsoft .NET/Visual Studio command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft .NET and Visual Studio. This affects an unknown function. Performing a manipulation results in an unknown weakness. This vulnerability is identified as CVE-2023-35390. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft .NET and Visual Studio (Programming Tool Software) (the affected version is unknown). CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 08/08/2023 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2023-35390. It demands that the victim is doing some kind of user interaction. 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 06/17/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 239977 (TencentOS Server 4: dotnet6.0 (TSSA-2024:0677)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (239977). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239977
Nessus Name: TencentOS Server 4: dotnet6.0 (TSSA-2024:0677)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/14/2023 🔍
08/08/2023 +55 days 🔍
08/08/2023 +0 days 🔍
08/08/2023 +0 days 🔍
06/17/2025 +679 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: FEDORA-2023-25112489ab
Status: Confirmed

CVE: CVE-2023-35390 (🔍)
GCVE (CVE): GCVE-0-2023-35390
GCVE (VulDB): GCVE-100-236541

Entryinfo

Created: 08/08/2023 20:45
Updated: 06/17/2025 19:12
Changes: 08/08/2023 20:45 (33), 08/08/2023 20:49 (20), 09/01/2023 22:35 (2), 09/01/2023 22:49 (11), 01/01/2025 03:56 (17), 04/24/2025 14:04 (3), 06/17/2025 19:12 (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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