Is CVE-2024-39943 in the CISA KEV catalog?

No. CVE-2024-39943 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-39943?

CVE-2024-39943 has a CVSS v3 base score of 9.9 (CRITICAL).

What is the EPSS score for CVE-2024-39943?

CVE-2024-39943 has an EPSS score of 48.48% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-39943?

Upgrade http file server to 0.52.10 or later.

CVE & CISA-KEV Catalog

CVE-2024-39943

CRITICALEPSS 99th pctl

9.9

CVSS v3

NVD

Description

rejetto HFS (aka HTTP File Server) 3 before 0.52.10 on Linux, UNIX, and macOS allows OS command execution by remote authenticated users (if they have Upload permissions). This occurs because a shell is used to execute df (i.e., with execSync instead of spawnSync in child_process in Node.js).

CWE-78OS Command Injection CWE-284Improper Access Control

How to fix

Remediation Available

http file serverNVD

Affected:< 0.52.10Fixed in:0.52.10CVE-2024-39943derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

48.48%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch2

Product1

rejetto.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.