How severe is CVE-2023-45198?

CVE-2023-45198 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-45198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45198?

CVE-2023-45198 primarily affects Netbsd Ftpd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-45198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-45198 published?

CVE-2023-45198 was published on 2023-10-05 and last updated on 2026-06-17.

CVE-2023-45198

CVE-2023-45198 is a high-severity vulnerability in Netbsd Ftpd with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd Ftpd
Published: 2023-10-05
Last modified: 2026-06-17

Description

ftpd before "NetBSD-ftpd 20230930" can leak information about the host filesystem before authentication via an MLSD or MLST command. tnftpd (the portable version of NetBSD ftpd) before 20231001 is also vulnerable.

Frequently asked questions

What is CVE-2023-45198?: ftpd before "NetBSD-ftpd 20230930" can leak information about the host filesystem before authentication via an MLSD or MLST command. tnftpd (the portable version of NetBSD ftpd) before 20231001 is also vulnerable.
How severe is CVE-2023-45198?: CVE-2023-45198 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-45198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45198?: CVE-2023-45198 primarily affects Netbsd Ftpd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-45198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-45198 published?: CVE-2023-45198 was published on 2023-10-05 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:netbsd:ftpd:*:*:*:*:*:*:*:*
cpe:2.3:a:netbsd:tnftpd:*:*:*:*:*:*:*:*

More vulnerabilities in Netbsd Ftpd

CVE-2002-2245 — Medium (CVSS 5.0): ftpd in NetBSD 1.5 through 1.5.3 and 1.6 does not properly quote a digit in response to a STAT command for a filename…

All CVEs affecting Netbsd Ftpd →