Risk Letters

Exploited vulnerability

CVE-2014-6271

TLP:CLEAR

GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.

Facts

  • Vendor: GNU
  • Product: Bourne-Again Shell (Bash)
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 28 January 2022
  • First known exploitation: 28 January 2022
  • CISA's deadline for US federal agencies: 28 July 2022
  • Weakness: CWE-78
  • First seen by Risk Letters: 28 January 2022

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD