How severe is CVE-2023-24042?

CVE-2023-24042 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-24042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24042?

CVE-2023-24042 affects Hfiref0x Lightftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24042?

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-2023-24042 published?

CVE-2023-24042 was published on 2023-01-21 and last updated on 2026-06-17.

CVE-2023-24042

CVE-2023-24042 is a high-severity vulnerability in Hfiref0x Lightftp 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. The underlying weakness is classified as CWE-362.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Hfiref0x Lightftp
Published: 2023-01-21
Last modified: 2026-06-17

Description

A race condition in LightFTP through 2.2 allows an attacker to achieve path traversal via a malformed FTP request. A handler thread can use an overwritten context->FileName.

Frequently asked questions

What is CVE-2023-24042?: A race condition in LightFTP through 2.2 allows an attacker to achieve path traversal via a malformed FTP request. A handler thread can use an overwritten context->FileName.
How severe is CVE-2023-24042?: CVE-2023-24042 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-24042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24042?: CVE-2023-24042 affects Hfiref0x Lightftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24042?: 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-2023-24042 published?: CVE-2023-24042 was published on 2023-01-21 and last updated on 2026-06-17.

References

https://github.com/hfiref0x/LightFTP/issues/25

Affected products (1)

cpe:2.3:a:hfiref0x:lightftp:*:*:*:*:*:*:*:*

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Other CWE-362 (Race Condition) vulnerabilities

CVE-2022-27626 — Critical (CVSS 10.0): A vulnerability regarding concurrent execution using shared resource with improper synchronization ('Race Condition')…
CVE-2015-8556 — Critical (CVSS 10.0): Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2014-0703 — Critical (CVSS 10.0): Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition…
CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

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