A cybersecurity analyst is reviewing a vulnerability scan report and notices an entry highlighting a service running an outdated and vulnerable version of SSL. This vulnerability is susceptible to a well-known exploit that allows an attacker to decrypt sensitive information. Given the widespread knowledge and the availability of exploit code for this vulnerability, which of the following is the most appropriate next step for the analyst to take?
Prioritize the patching of the affected service.
Implement a compensating control by adding a rule to the web application firewall (WAF).
Perform a credentialed scan to confirm the vulnerability's presence.
Immediately isolate the server from the production network.
The correct answer is to prioritize patching the affected service. The vulnerability is described as having a well-known exploit with readily available code, which means it is highly likely to be weaponized by attackers. According to the vulnerability management lifecycle, after a critical vulnerability is identified and assessed, the next step is to prioritize its remediation. While isolating the server, implementing a WAF rule (a compensating control), or performing additional scans are all possible security actions, patching is the definitive measure that resolves the root cause of the vulnerability. Given the high risk, it should be prioritized for immediate action over other options.
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