What is the CVSS score of CVE-2021-1601?

CVE-2021-1601 has a CVSS 3.1 base score of 8.3 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a patch available for CVE-2021-1601?

Yes, a patch is available for CVE-2021-1601. Update the affected software to the latest version immediately.

Intersight Virtual Appliance CVE-2021-1601

HIGH

Improper Access Control (CWE-284)

2021-07-22 psirt@cisco.com

Cisco Authentication Bypass Intersight Virtual Appliance

8.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.3 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 22, 2021 - 16:15 nvd

HIGH 8.3

DescriptionNVD

Multiple vulnerabilities in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access sensitive internal services from an external interface. These vulnerabilities are due to insufficient restrictions for IPv4 or IPv6 packets that are received on the external management interface. An attacker could exploit these vulnerabilities by sending specific traffic to this interface on an affected device. A successful exploit could allow the attacker to access sensitive internal services and make configuration changes on the affected device.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-284. Multiple vulnerabilities in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access sensitive internal services from an external interface. These vulnerabilities are due to insufficient restrictions for IPv4 or IPv6 packets that are received on the external management interface. An attacker could exploit these vulnerabilities by sending specific traffic to this interface on an affected device. A successful exploit could allow the attacker to access sensitive internal services and make configuration changes on the affected device. Affected products include: Cisco Intersight Virtual Appliance.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.