HOMEVULNERABILITIESCVE-2023-31323
HIGH

CVE-2023-31323

CWE-843Published: February 12, 2026· Updated: Feb 13, 2026

8.4
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.5th

Official Description

Type confusion in the AMD Secure Processor (ASP) could allow an attacker to pass a malformed argument to the External Global Memory Interconnect Trusted Agent (XGMI TA) leading to a memory safety violation potentially resulting in loss of confidentiality, integrity, or availability.

NVD Source

Technical Analysis

CVE-2023-31323 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

Quick Facts

CVE IDCVE-2023-31323
CVSS Score8.4 / 10
SeverityHIGH
WeaknessCWE-843
CISA KEVNo
EPSS (30d)0.02%
PublishedFeb 12, 2026

Related CVEs (CWE-843)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-31323 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.