Security News > 2022 > April > The 15 most exploited vulnerabilities in 2021

In 2021, threat actors aggressively exploited newly disclosed critical software vulnerabilities to hit a broad set of targets worldwide, says the latest advisory published by the US Cybersecurity and Infrastructure Security Agency.

As you might have noticed due to the last few entries, attackers haven't stopped exploiting older publicly known software flaws.

An additional list of routinely exploited vulnerabilities in 2021 lists many flaws fixed in 2021, but also some that date back to up to 2017 and 2018.

"Threat actors often geared their efforts towards targeting internet-facing systems, such as email and virtual private network servers," noted Lindy Cameron, the CEO of UK's National Cyber Security Centre.

Organizations using any of the listed solutions should make sure to implement the patches for these widely exploited flaws - or mitigations is patches can't be deployed.

The CISA also advises organizations to use a centralized patch management system and to replace end-of-life software.

News URL

https://www.helpnetsecurity.com/2022/04/28/most-exploited-vulnerabilities-2021/