What is the CVSS score of CVE-2016-5661?

CVE-2016-5661 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.7%.

Civic Platform Citizen Access Portal CVE-2016-5661

HIGH

Improper Access Control (CWE-284)

2016-07-15 cret@cert.org

RCE Authentication Bypass Civic Platform Citizen Access Portal

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 15, 2016 - 18:59 cve.org

HIGH 8.8

DescriptionCVE.org

AnalysisAI

Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters. Affected products include: Accela Civic Platform Citizen Access Portal.

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.