How severe is CVE-2023-37881?

CVE-2023-37881 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-37881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37881?

CVE-2023-37881 affects Wftpserver Wing Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37881?

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

When was CVE-2023-37881 published?

CVE-2023-37881 was published on 2023-09-12 and last updated on 2026-06-17.

CVE-2023-37881

CVE-2023-37881 is a medium-severity vulnerability in Wftpserver Wing Ftp Server with a CVSS 3.x base score of 4.9. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Wftpserver Wing Ftp Server
Published: 2023-09-12
Last modified: 2026-06-17

Description

Weak access control in Wing FTP Server (Admin Web Client) allows for privilege escalation.This issue affects Wing FTP Server: <= 7.2.0.

Frequently asked questions

What is CVE-2023-37881?: Weak access control in Wing FTP Server (Admin Web Client) allows for privilege escalation.This issue affects Wing FTP Server: <= 7.2.0.
How severe is CVE-2023-37881?: CVE-2023-37881 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-37881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37881?: CVE-2023-37881 affects Wftpserver Wing Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37881?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37881 published?: CVE-2023-37881 was published on 2023-09-12 and last updated on 2026-06-17.

References

https://www.wftpserver.com/serverhistory.htm

Affected products (1)

cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*

More vulnerabilities in Wftpserver Wing Ftp Server

CVE-2025-47812 — Critical (CVSS 10.0): In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle '\0' bytes, ultimately allowing injection…
CVE-2020-37032 — High (CVSS 8.8): Wing FTP Server 6.3.8 contains a remote code execution vulnerability in its Lua-based web console that allows…
CVE-2019-25267 — High (CVSS 7.8): Wing FTP Server 6.0.7 contains an unquoted service path vulnerability that allows local attackers to potentially…
CVE-2020-9470 — High (CVSS 7.8): An issue was discovered in Wing FTP Server 6.2.5 before February 2020. Due to insecure permissions when handling…
CVE-2020-8635 — High (CVSS 7.8): Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on installation directories and…
CVE-2020-8634 — High (CVSS 7.8): Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file…

All CVEs affecting Wftpserver Wing Ftp Server →

Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →