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No exploitation reported

CVE-2019-9891

No exploitation reported by the sources we read.

  • Published2019-05-31
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-05-3121:29CVE publishedNVD

Versions per branch

NVD
Tldp advanced bash-scripting guide
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-05-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m36g-m68j-vjwq

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 2026-11-08, 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), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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