Read the docs
TI-2023-17709 Aliases CVE-2023-35373GHSA-34j3-g2w8-qhjx

Mono Authenticode Validation Spoofing Vulnerability

Priority LOW 26CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Mono Authenticode Validation Spoofing Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00805 56th percentileScored 2026-11-07
Fix Fixed Mono 6.12.0 (Microsoft): 6.12.0.200

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMono 6.12.06.12.0 to before 6.12.0.2006.12.0.200Patch availableCNA
  • Mono 6.12.0 VendorMicrosoft Affected 6.12.0 to before 6.12.0.200 Fixed in 6.12.0.200 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:mono:*:*:*:*:*:*:*:*6.12.0 to before 6.12.0.200VulnerableMicrosoft
  • cpe:2.3:a:microsoft:mono:*:*:*:*:*:*:*:* Versions 6.12.0 to before 6.12.0.200 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Mono 6.12.0 (Microsoft) Fixed in 6.12.0.200

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Spoofing
Exploited
No
Publicly disclosed
—
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Mono 6.12.0Fixed 6.12.0.200 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-35373
  2. 2026-10-03 Alias added: GHSA-34j3-g2w8-qhjx

References

Patch 1

  • TI-2021-06407 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences