What is the CVSS score of CVE-2021-1571?

CVE-2021-1571 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 9.7%.

Is there a patch available for CVE-2021-1571?

Yes, a patch is available for CVE-2021-1571. Update the affected software to the latest version immediately.

Sf220 24 Firmware CVE-2021-1571

MEDIUM

Improper Authentication (CWE-287)

2021-06-16 psirt@cisco.com

Cisco XSS Authentication Bypass Sf220 24 Firmware Sf220 24P Firmware Sf220 48 Firmware Sf220 48P Firmware Sg220 26 Firmware Sg220 26P Firmware Sg220 28Mp Firmware Sg220 50 Firmware Sg220 50P Firmware

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jun 16, 2021 - 18:15 nvd

MEDIUM 6.1

DescriptionNVD

Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory.

AnalysisAI

Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory. Affected products include: Cisco Sf220-24 Firmware, Cisco Sf220-24P Firmware, Cisco Sf220-48 Firmware, Cisco Sf220-48P Firmware, Cisco Sg220-26 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.