CVE-2019-9891
CVSS v3
9.8
CRITICAL
EPSS Score
3.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The function getopt_simple as described in Advanced Bash Scripting Guide (ISBN 978-1435752184) allows privilege escalation and execution of commands when used in a shell script called, for example, via sudo.
Technical details
- Published
- 2019-05-31
Frequently asked questions
What is CVE-2019-9891?
The function getopt_simple as described in Advanced Bash Scripting Guide (ISBN 978-1435752184) allows privilege escalation and execution of commands when used in a shell script called, for example, via sudo.
Is CVE-2019-9891 actively exploited?
Active exploitation of CVE-2019-9891 has not been confirmed. Its EPSS score was 3.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-9891?
CVE-2019-9891 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-9891 affecting your environment?
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