What is the CVSS score of CVE-2022-38221?

CVE-2022-38221 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2022-38221?

Yes, a public proof-of-concept exploit is available for CVE-2022-38221. Prioritise patching immediately. EPSS: 1.5%.

The Isle Evrima CVE-2022-38221

CRITICAL

Classic Buffer Overflow (CWE-120)

2022-08-15 cve@mitre.org

Microsoft RCE Buffer Overflow The Isle Evrima

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 15, 2022 - 11:21 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

A buffer overflow in the FTcpListener thread in The Isle Evrima (the dedicated server on Windows and Linux) 0.9.88.07 before 2022-08-12 allows a remote attacker to crash any server with an accessible. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A buffer overflow in the FTcpListener thread in The Isle Evrima (the dedicated server on Windows and Linux) 0.9.88.07 before 2022-08-12 allows a remote attacker to crash any server with an accessible RCON port, or possibly execute arbitrary code. Affected products include: The Isle Evrima Project The Isle Evrima. Version information: before 2022.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.