Security Resilience

CVE-2023-30943

Path Traversal in Fedoraproject Fedora 36 … 38

Path Traversal
Published
02 May 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS Score 0.066 94th percentile
Risk Priority 65 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-30943 is a medium-severity External Control of File Name or Path (CWE-73) vulnerability in Fedoraproject Fedora. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique NTDS (T1003.003); ranked in the top 6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The vulnerability affects Moodle and stems from improper handling of folder paths in TinyMCE loaders, where user input can control the destination directory. This allows creation of arbitrary folders via external control of file paths, tracked under CWE-73 and CWE-610, with a CVSS 3.1 score of 6.5 reflecting network attack vector, low complexity, and high integrity impact without requiring authentication.

A remote attacker can exploit the flaw by sending a specially crafted HTTP request that manipulates the folder creation path in the TinyMCE component. Successful exploitation enables the attacker to create arbitrary directories on the underlying system, potentially facilitating further unauthorized modifications or preparation for additional attacks, though user interaction is required per the CVSS metrics.

Advisories reference a Moodle git commit addressing MDL-77718 along with Red Hat and Fedora package updates that distribute the necessary patches to affected installations. These updates are available through standard distribution channels to remediate the path control issue. The associated EPSS score has remained stable near 0.26 with no material increase after disclosure.

OWASP Top 10 for Web (2025)

A05:2025 InjectionA06:2025 Insecure Design

EU & UK References

Vulnerability Data

The vulnerability was found Moodle which exists because the application allows a user to control path of the older to create in TinyMCE loaders. A remote user can send a specially crafted HTTP request and create arbitrary folders on the…

more

system.

CWE(s)
CWE-73CWE-610

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
attack.mitre.org →
T1003.005 Cached Domain Credentials Credential Access
Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.
attack.mitre.org →
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
attack.mitre.org →
T1010 Application Window Discovery Discovery
Adversaries may attempt to get a listing of open application windows.
attack.mitre.org →
T1012 Query Registry Discovery
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-30944Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5539Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5550Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5540Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5549Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5548Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5542Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5551Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5543Same product: Fedoraproject Extra Packages For Enterprise Linux
CVE-2023-5545Same product: Fedoraproject Extra Packages For Enterprise Linux

Affected Assets

moodle
moodle
4.1.0 — 4.1.3
fedoraproject
extra packages for enterprise linux
7.0
fedoraproject
fedora
36, 37, 38

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V5.3.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-73

Rejects externally supplied file or resource identifiers that fail validity checks.

SI-22 Information Diversity
addresses: CWE-610

Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-05 partial match
blocks

Least-privilege file authorization directly limits damage from externally controlled paths.

PR.PS-06 partial match
blocks

Secure SDLC practices include input validation and path sanitization that eliminate this weakness.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.8.10 Information deletion partial match
removes

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-610, a class-level weakness, and none of its children carries one either.

References