Risk Letters

Exploited vulnerability

CVE-2014-6278

TLP:CLEAR

GNU Bash OS Command Injection Vulnerability

GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.

Facts

  • Vendor: GNU
  • Product: GNU Bash
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 99.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 2 October 2025
  • First known exploitation: 2 October 2025
  • CISA's deadline for US federal agencies: 23 October 2025
  • Weakness: CWE-78
  • First seen by Risk Letters: 2 October 2025

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