VDB-247013 · CVE-2023-6448 · GCVE-0-2023-6448

Unitronics Vision Series PLC all insecure default initialization of resource

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.
9.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as very critical has been reported in Unitronics Vision Series PLC all. This affects an unknown function. The manipulation leads to insecure default initialization of resource. This vulnerability is listed as CVE-2023-6448. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Unitronics Vision Series PLC all. It has been rated as very critical. This issue affects an unknown code. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. Using CWE to declare the problem leads to CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.

The weakness was presented 12/05/2023. The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2023-6448 since 11/30/2023. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/26/2026).

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 12/11/2023 with a due date of 12/18/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (839). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Unitronics

Name

Vision Series PLC

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Insecure default initialization of resource
CWE: CWE-1188
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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/30/2023 🔍
12/05/2023 +5 days 🔍
12/05/2023 +0 days 🔍
02/26/2026 +814 days 🔍

Sourcesinfo

Advisory: cisa.gov
Status: Confirmed

CVE: CVE-2023-6448 (🔍)
GCVE (CVE): GCVE-0-2023-6448
GCVE (VulDB): GCVE-100-247013
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/05/2023 19:07
Updated: 02/26/2026 09:25
Changes: 12/05/2023 19:07 (45), 04/30/2024 08:41 (26), 06/05/2024 22:50 (2), 06/27/2024 05:46 (10), 09/09/2024 22:30 (2), 02/26/2026 09:25 (3)
Complete: 🔍
Cache ID: 216::103

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