Is CVE-2003-0373 actively exploited?

No active exploitation of CVE-2003-0373 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2003-0373 be exploited remotely?

No. CVE-2003-0373 requires local access to exploit.

What is the CVSS score of CVE-2003-0373?

CVE-2003-0373 has a CVSS score of 4.4 (MEDIUM).

HOME VULNERABILITIESCVE-2003-0373

MEDIUM

CVE-2003-0373

CWE-119Published: June 16, 2003· Updated: Jun 16, 2026

4.4

CVSS v3.1

Official Description

Multiple buffer overflows in libnasl in Nessus before 2.0.6 allow local users with plugin upload privileges to cause a denial of service (core dump) and possibly execute arbitrary code via (1) a long proto argument to the scanner_add_port function, (2) a long user argument to the ftp_log_in function, (3) a long pass argument to the ftp_log_in function.

NVD Source

Technical Analysis

CVE-2003-0373 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.