For this question you must log into GreenboneVulnerability Manager using Firefox.

To determine the host IP of the machine vulnerable toCVE-2021-22145usingGreenbone Vulnerability Manager (GVM), follow these detailed steps:

Step 1: Access Greenbone Vulnerability Manager

OpenFirefoxon your system.

Go to the GVM login page:

URL: https://10.10.55.4:9392

Enter the credentials:

Username: admin

Password: Secure-gvm!

ClickLoginto access the dashboard.

Step 2: Navigate to Scan Reports

Once logged in, locate the"Scans"menu on the left panel.

Click on"Reports"under the"Scans"section to view the list of completed vulnerability scans.

Step 3: Identify the Most Recent Scan

Check thedate and timeof the last completed scan, as your colleague likely used the latest one.

Click on theReport NameorDateto open the detailed scan results.

Step 4: Filter for CVE-2021-22145

In the report view, locate the"Search"or"Filter"box at the top.

Enter the CVE identifier:

CVE-2021-22145

PressEnterto filter the vulnerabilities.

Step 5: Analyze the Results

The system will display any host(s) affected byCVE-2021-22145.

The details will typically include:

Host IP Address

Vulnerability Name

Severity Level

Vulnerability Details

Example Display:

Host IP

Vulnerability ID

CVE

Severity

192.168.1.100

SomeVulnName

CVE-2021-22145

High

Step 6: Verify the Vulnerability

Click on the host IP to see thedetailed vulnerability description.

Check for the following:

Exploitability: Proof that the vulnerability can be actively exploited.

Description and Impact: Details about the vulnerability and its potential impact.

Fixes/Recommendations: Suggested mitigations or patches.

Step 7: Note the Vulnerable Host IP

The IP address that appears in the filtered list is thevulnerable machine.

Example Answer:

The host IP of the machine vulnerable to CVE-2021-22145 is: 192.168.1.100

Step 8: Take Immediate Actions

Isolate the affected machineto prevent exploitation.

Patch or updatethe software affected by CVE-2021-22145.

Perform a quick re-scanto ensure that the vulnerability has been mitigated.

Step 9: Generate a Report for Documentation

Export the filtered scan results as aPDForHTMLfrom the GVM.

Include:

Host IP

CVE ID

Severity and Risk Level

Remediation Steps

Background on CVE-2021-22145:

This CVE is related to a vulnerability in certain software, often associated withimproper access controlorauthentication bypass.

Attackers can exploit this to gain unauthorized access or escalate privileges.