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Vulnerability record · CVE-2019-9924 · published 22 March 2019

CVE-2019-9924: Gnu bash missing authorization vulnerability

Gnu · Bash

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.

7.8 CVSS 3.1 High EPSS 0.40% · top 68.5% CWE-862 · Missing authorization
7.8CVSS 3.1 base score, v2 7.2
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.html Mailing ListThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20190411-0001/ Third Party Advisory
https://usn.ubuntu.com/4058-1/ Third Party Advisory
https://usn.ubuntu.com/4058-2/ Third Party Advisory
http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.html Mailing ListThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20190411-0001/ Third Party Advisory
https://usn.ubuntu.com/4058-1/ Third Party Advisory
https://usn.ubuntu.com/4058-2/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-9924), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.