CySA+ CS0-001 – Q. 289

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A list of vulnerabilities has been reported in a company’s most recent scan of a server. The security analyst must review the vulnerabilities and decide which ones should be remediated in the next change window and which ones can wait or may not need patching. Pending further investigation. Which of the following vulnerabilities should the analyst remediate FIRST?

A. The analyst should remediate https (443/tcp) first. This web server is susceptible to banner grabbing and was fingerprinted as Apache/1.3.27-9 on Linux w/ mod_fastcgi.
B. The analyst should remediate dns (53/tcp) first. The remote BIND 9 DNS server is susceptible to a buffer overflow, which may allow an attacker to gain a shell on this host or disable this server.
C. The analyst should remediate imaps (993/tcp) first. The SSLv2 suite offers five strong ciphers and two weak “export class” ciphers.
D. The analyst should remediate ftp (21/tcp) first. An outdated version of FTP is running on this port. If it is not in use, it should be disabled.

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