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CVE-2023-1369· NVD / CVE Program· CNA VulDB

TG Soft Vir.IT eXplorer IoControlCode VIRAGTLT.sys 0x82730088 denial of service

A vulnerability was found in TG Soft Vir.IT eXplorer 9.4.86.0. It has been rated as problematic. This issue affects the function 0x82730088 in the library VIRAGTLT.sys of the component IoControlCode Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 9.5 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-222875.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Mar 13, 2023
Updated
Jun 17, 2026
EPSS
0.2% · 14th percentile
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Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · VulDB
5.0
0.5 point gap

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
tgsoftvir.it explorer
tgsoftviragtlt.sys

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • tgsoft vir.it explorer9.4.86.0
  • tgsoft viragtlt.sys1.86.0.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • TG Soft Vir.IT eXplorer

    • 9.4.86.0affected

Same product

tgsoft: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-17803In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor
  • CVE-2017-17802In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor
  • CVE-2017-17801In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor
  • CVE-2017-17800In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor
  • CVE-2017-17799In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor
  • CVE-2017-17798In TG Soft Vir.IT eXplorer Lite 8.5.42, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service (BSOD) or possibly ha
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
TG Soft Vir.IT eXplorer9.5 · descriptionVendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-404 · Improper Resource Shutdown or Release

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records