Vulnerability in Hfiref0x Lightftp

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.

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (44.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-24042: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-24042?
CVE-2023-24042 is a high-severity vulnerability in Hfiref0x Lightftp, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2023-01-21.
How severe is CVE-2023-24042?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-24042 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.