LabVIEW 2016 VI File LvVarientUnflatten memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical has been found in LabVIEW 2016 Affected is the function LvVarientUnflatten of the component VI File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 03/22/2017. The weakness was shared 03/31/2017 by Cisco with Cisco Talos (Website). The advisory is shared for download at This vulnerability is traded as CVE-2017-2775 since 12/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 99928 (National Instruments LabVIEW 2015 < 2015 SP1 f7 / 2016 < 2016 f2 LvVarientUnflatten VI File Handling Arbitrary Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context local.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 97020) and Tenable (99928).



CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 99928
Nessus Name: National Instruments LabVIEW 2015 < 2015 SP1 f7 / 2016 < 2016 f2 LvVarientUnflatten VI File Handling Arbitrary Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
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Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


12/01/2016 🔍
03/02/2017 +91 days 🔍
03/22/2017 +20 days 🔍
03/22/2017 +0 days 🔍
03/31/2017 +9 days 🔍
03/31/2017 +0 days 🔍
04/01/2017 +1 days 🔍
05/02/2017 +31 days 🔍
08/24/2020 +1210 days 🔍


Researcher: Cisco
Organization: Cisco Talos
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2775 (🔍)
SecurityFocus: 97020 - Ni LabVIEW CVE-2017-2775 Memory Corruption Vulnerability
OSVDB: - CVE-2017-2775 - National Instruments - LabVIEW 2016 - Memory Corruption Issue


Created: 04/01/2017 10:10 AM
Updated: 08/24/2020 12:29 PM
Changes: (8) vulnerability_discoverydate advisory_company_name advisory_confirm_url countermeasure_name countermeasure_date source_osvdb_title source_securityfocus_date source_securityfocus_class
Complete: 🔍


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