What is the CVSS score of CVE-2023-3031?

CVE-2023-3031 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2023-3031?

Yes, a public proof-of-concept exploit is available for CVE-2023-3031. Prioritise patching immediately. EPSS: 0.8%.

King Avis CVE-2023-3031

MEDIUM

Path Traversal (CWE-22)

2023-06-02 vulnerability@ncsc.ch

Path Traversal King Avis

4.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 02, 2023 - 13:15 nvd

MEDIUM 4.9

DescriptionNVD

AnalysisAI

Improper Limitation of a Pathname leads to a Path Traversal vulnerability in the module King-Avis for Prestashop, allowing a user knowing the download token to read arbitrary local files.3.15. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Improper Limitation of a Pathname leads to a Path Traversal vulnerability in the module King-Avis for Prestashop, allowing a user knowing the download token to read arbitrary local files.3.15. Affected products include: Webbax King-Avis. Version information: before 17.3.15..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.