How severe is CVE-2023-39063?

CVE-2023-39063 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39063 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-2023-39063?

CVE-2023-39063 affects Raidenftpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39063?

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-2023-39063 published?

CVE-2023-39063 was published on 2023-09-11 and last updated on 2026-06-17.

CVE-2023-39063

CVE-2023-39063 is a high-severity vulnerability in Raidenftpd with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Raidenftpd
Published: 2023-09-11
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in RaidenFTPD 2.4.4005 allows a local attacker to execute arbitrary code via the Server name field of the Step by step setup wizard.

Frequently asked questions

What is CVE-2023-39063?: Buffer Overflow vulnerability in RaidenFTPD 2.4.4005 allows a local attacker to execute arbitrary code via the Server name field of the Step by step setup wizard.
How severe is CVE-2023-39063?: CVE-2023-39063 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39063 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-2023-39063?: CVE-2023-39063 affects Raidenftpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39063?: 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-2023-39063 published?: CVE-2023-39063 was published on 2023-09-11 and last updated on 2026-06-17.

References

https://github.com/AndreGNogueira/CVE-2023-39063

Affected products (1)

cpe:2.3:a:raidenftpd:raidenftpd:2.4.4050:*:*:*:*:*:*:*

More vulnerabilities in Raidenftpd

CVE-2008-6186 — Critical (CVSS 9.0): Stack-based buffer overflow in RaidenFTPD 2.4 build 3620 allows remote authenticated users to cause a denial of service…
CVE-2023-38960 — High (CVSS 7.3): Insecure Permissions issue in Raiden Professional Server RaidenFTPD v.2.4 build 4005 allows a local attacker to gain…

All CVEs affecting Raidenftpd →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →