How severe is CVE-2003-0373?

CVE-2003-0373 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2003-0373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0373?

CVE-2003-0373 affects Nessus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0373?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-0373 published?

CVE-2003-0373 was published on 2003-06-16 and last updated on 2026-06-16.

CVE-2003-0373

CVE-2003-0373 is a medium-severity vulnerability in Nessus with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Nessus
Published: 2003-06-16
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2003-0373?: 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.
How severe is CVE-2003-0373?: CVE-2003-0373 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2003-0373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0373?: CVE-2003-0373 affects Nessus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0373 published?: CVE-2003-0373 was published on 2003-06-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:nessus:nessus:*:*:*:*:*:*:*:*

More vulnerabilities in Nessus

CVE-2003-0374 — Critical (CVSS 10.0): Multiple unknown vulnerabilities in Nessus before 2.0.6, in libnessus and possibly libnasl, a different set of…
CVE-2003-0372 — Medium (CVSS 4.6): Signed integer vulnerability in libnasl in Nessus before 2.0.6 allows local users with plugin upload privileges to…
CVE-2007-3546 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the Windows GUI in Nessus Vulnerability Scanner before 3.0.6 allows remote…
CVE-2004-1445 — Low (CVSS 3.7): A race condition in nessus-adduser in Nessus 2.0.11 and possibly earlier versions, if the TMPDIR environment variable…
CVE-2006-2093 — Low (CVSS 2.6): Nessus before 2.2.8, and 3.x before 3.0.3, allows user-assisted attackers to cause a denial of service (memory…
CVE-2004-2722 — Low (CVSS 2.1): Nessus 2.0.10a stores account passwords in plaintext in .nessusrc files, which allows local users to obtain passwords.…

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