{"cve_id":"CVE-2014-6278","published":"2014-09-30T10:55:04.723000+00:00","last_modified":"2026-06-17T00:12:50.047000+00:00","vuln_status":"Analyzed","description":"GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary commands via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271, CVE-2014-7169, and CVE-2014-6277.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","base_score":8.8,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-78"],"in_kev":true,"kev_date_added":"2025-10-02","kev_ransomware":false,"epss_score":0.99669,"epss_percentile":0.9995,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:19:04.748137+00:00","first_seen":"2014-09-30T10:55:04.723000+00:00","kev_first_seen":"2025-10-02T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["gnu"],"products":["bash"],"affected":[{"vendor":"gnu","product":"bash","ranges":["1.14.0","1.14.1","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6","1.14.7","2.0","2.01","2.01.1","2.02","2.02.1","2.03","2.04","2.05","3.0","3.0.16","3.1","3.2","3.2.48","4.0","4.1","4.2","4.3"]}]}