Vulnerability (noun)

1. The state of being exposed to the possibility of being attacked or harmed, either physically or emotionally.
2. A weakness or area of susceptibility.

Origin:

From the latin word "vulnerabilis" meaning "wounded" or "vulnerable".

Examples:

1. The vulnerability of the computer system was exploited by the hackers.
2. The vulnerability of the company's financial situation was exposed by the accounting scandal.
3. She felt a sense of vulnerability when she started her new job.
4. He had to admit his vulnerability after his team lost the match.
5. The vulnerability of the ecosystem to climate change was a concern for scientists.