How severe is CVE-2023-40049?

CVE-2023-40049 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-40049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40049?

CVE-2023-40049 affects Progress Ws Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40049?

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

When was CVE-2023-40049 published?

CVE-2023-40049 was published on 2023-09-27 and last updated on 2026-06-17.

CVE-2023-40049

CVE-2023-40049 is a medium-severity vulnerability in Progress Ws Ftp Server with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Progress Ws Ftp Server
Published: 2023-09-27
Last modified: 2026-06-17

Description

In WS_FTP Server version prior to 8.8.2, an unauthenticated user could enumerate files under the 'WebServiceHost' directory listing.

Frequently asked questions

What is CVE-2023-40049?: In WS_FTP Server version prior to 8.8.2, an unauthenticated user could enumerate files under the 'WebServiceHost' directory listing.
How severe is CVE-2023-40049?: CVE-2023-40049 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-40049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40049?: CVE-2023-40049 affects Progress Ws Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40049 published?: CVE-2023-40049 was published on 2023-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*

More vulnerabilities in Progress Ws Ftp Server

CVE-2023-40044 — Critical (CVSS 10.0): In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization…
CVE-2023-42657 — Critical (CVSS 9.9): In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered. An attacker…
CVE-2023-42659 — Critical (CVSS 9.1): In WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An…
CVE-2008-0590 — Critical (CVSS 9.0): Buffer overflow in Ipswitch WS_FTP Server with SSH 6.1.0.0 allows remote authenticated users to cause a denial of…
CVE-2023-40047 — High (CVSS 8.3): In WS_FTP Server version prior to 8.8.2, a stored cross-site scripting (XSS) vulnerability exists in WS_FTP Server's…
CVE-2023-40045 — High (CVSS 8.3): In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a reflected cross-site scripting (XSS) vulnerability exists in…

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