What is the CVSS score of CVE-2017-9811?

CVE-2017-9811 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 24.7%.

Is there a public PoC exploit available for CVE-2017-9811?

Yes, a public proof-of-concept exploit is available for CVE-2017-9811. Prioritise patching immediately. EPSS: 24.7%.

Anti Virus For Linux Server CVE-2017-9811

CRITICAL

Improper Input Validation (CWE-20)

2017-07-17 cve@mitre.org

Information Disclosure Anti Virus For Linux Server

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 17, 2017 - 21:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.

AnalysisAI

The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 24.7%.

Technical ContextAI

This vulnerability is classified under CWE-20. The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root. Affected products include: Kaspersky Anti-Virus For Linux Server. Version information: version 8.0.4.312.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.