Attention: Federal Office warns about massive and dangerous IT security vulnerability “Log4j

Attention: Federal Office warns about massive and dangerous IT security vulnerability "Log4j Dear Sir or Madam, over the weekend, the BSI (German Federal Office for Information Security) published a letter about a very threatening vulnerability in an open source software called Log4j. https://www.bsi.bund.de/SharedDocs/Cybersicherheitswarnungen/DE/2021/2021-549032-10F2.pdf?__blob=publicationFile&v=3 The vulnerability has a threat score: 10 out of 10