VDB-87829 · CVE-2016-4523 · BID 91077

Trihedral VTScada up to 11.2.01 WAP Interface memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Trihedral VTScada up to 11.2.01. It has been rated as problematic. Impacted is an unknown function of the component WAP Interface. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2016-4523. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Trihedral VTScada up to 11.2.01 (SCADA Software). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component WAP Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The WAP interface in Trihedral VTScada (formerly VTS) 8.x through 11.x before 11.2.02 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via unspecified vectors.

The weakness was shared 06/09/2016 (Website). The advisory is shared at ics-cert.us-cert.gov. This vulnerability is known as CVE-2016-4523 since 05/05/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370077 (Trihedral VTScada Multiple Vulnerabilities). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/15/2022 with a due date of 05/06/2022:

Apply updates per vendor instructions.

Upgrading to version 11.2.02 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91077†). The entries VDB-87826 and VDB-87832 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VTScada 11.2.02

Timelineinfo

05/05/2016 🔍
06/07/2016 +33 days 🔍
06/09/2016 +2 days 🔍
06/09/2016 +0 days 🔍
06/10/2016 +1 days 🔍
04/23/2026 +3603 days 🔍

Sourcesinfo

Advisory: ics-cert.us-cert.gov
Status: Confirmed

CVE: CVE-2016-4523 (🔍)
GCVE (CVE): GCVE-0-2016-4523
GCVE (VulDB): GCVE-100-87829
SecurityFocus: 91077 - VTScada WAP interface Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/10/2016 09:40
Updated: 04/23/2026 01:01
Changes: 06/10/2016 09:40 (61), 01/14/2019 08:06 (4), 04/25/2024 17:13 (28), 07/03/2024 00:47 (1), 09/09/2024 22:30 (2), 04/23/2026 01:01 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!