What is the CVSS score of CVE-2021-41950?

CVE-2021-41950 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 74.9%.

Is there a public PoC exploit available for CVE-2021-41950?

Yes, a public proof-of-concept exploit is available for CVE-2021-41950. Prioritise patching immediately. EPSS: 74.9%.

PHP CVE-2021-41950

CRITICAL

Path Traversal (CWE-22)

2021-11-15 cve@mitre.org

PHP Path Traversal Resourcespace Montala

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 15, 2021 - 16:15 nvd

CRITICAL 9.1

DescriptionNVD

A directory traversal issue in ResourceSpace 9.6 before 9.6 rev 18277 allows remote unauthenticated attackers to delete arbitrary files on the ResourceSpace server via the provider and variant parameters in pages/ajax/tiles.php. Attackers can delete configuration or source code files, causing the application to become unavailable to all users.

AnalysisAI

A directory traversal issue in ResourceSpace 9.6 before 9.6 rev 18277 allows remote unauthenticated attackers to delete arbitrary files on the ResourceSpace server via the provider and variant. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, 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. A directory traversal issue in ResourceSpace 9.6 before 9.6 rev 18277 allows remote unauthenticated attackers to delete arbitrary files on the ResourceSpace server via the provider and variant parameters in pages/ajax/tiles.php. Attackers can delete configuration or source code files, causing the application to become unavailable to all users. Affected products include: Montala Resourcespace. Version information: before 9.6.

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.