What is the CVSS score of CVE-2023-36321?

CVE-2023-36321 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2023-36321?

Yes, a public proof-of-concept exploit is available for CVE-2023-36321. Prioritise patching immediately. EPSS: 0.9%.

Is there a patch available for CVE-2023-36321?

Yes, a patch is available for CVE-2023-36321. Update the affected software to the latest version immediately.

Dlt Daemon CVE-2023-36321

HIGH

Classic Buffer Overflow (CWE-120)

2023-10-17 cve@mitre.org

Buffer Overflow Dlt Daemon

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Oct 17, 2023 - 23:15 nvd

HIGH 7.5

DescriptionNVD

Connected Vehicle Systems Alliance (COVESA) up to v2.18.8 was discovered to contain a buffer overflow via the component /shared/dlt_common.c.

AnalysisAI

Connected Vehicle Systems Alliance (COVESA) up to v2.18.8 was discovered to contain a buffer overflow via the component /shared/dlt_common.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code 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. Connected Vehicle Systems Alliance (COVESA) up to v2.18.8 was discovered to contain a buffer overflow via the component /shared/dlt_common.c. Affected products include: Covesa Dlt-Daemon.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.