article_snippet.sent: The pair told Thomas Fox-Brewster from Forbes that the flaw lies in older versions of the Android operating system, up to and including Android 4.4.
article_snippet.sent: Subsequently, anyone running Android 5.0 or above are not at risk and the security experts are advising people on older models to update as soon as possible.
article_snippet.sent: The vulnerability means that a hacker can access the kernel, or core, of the Android operating system.
article_snippet.sent: During tests, Mr Wei and Mr Zhang confirmed The flaw was present on Samsung Galaxy S5.
article_snippet.sent: However, Mr Wei and Mr Zhang believe the problem to be 'more widespread'  than Samsung Galaxy S5 and are planning to put this to the test.
article_snippet.sent: Mr Wei and Mr Zhang said Mr Wei and Mr Zhang have alerted Samsung to the issue but not received an update.
article_snippet.sent: Samsung told MailOnline 'Samsung takes consumer privacy and data security very seriously' and is currently investigating FireEye’s claims.
highlights_snippet.sent: Experts have discovered a flaw in older versions of the Android system .
  
highlights_snippet.sent: Vulnerability has been tested and confirmed on the Samsung Galaxy S5 .