Shellshock — Apple Mac_os_x RCE

CVE-2014-7169

GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a cra…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.999 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2014-7169?
CVE-2014-7169 is a critical-severity vulnerability in Apple Mac_os_x, classified under OS Command Injection. CVSS score: 9.8/10. Published 2014-09-25.
How severe is CVE-2014-7169?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2014-7169 known to be exploited?
Yes. CVE-2014-7169 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-28), indicating it is being actively exploited. 83 public proof-of-concept repositories are indexed.