CVE-2019-9891

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 73.3%
KEV: Not listed

Published

May 31, 2019

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://www.redteam-pentesting.de/advisories/rt-sa-2019-007
af854a3a-2127-422b-91ae-364da2661108https://www.redteam-pentesting.de/advisories/rt-sa-2019-007

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
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2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
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2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
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2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 18:57 UTCEG score recompute

Frequently asked(5)

What is CVE-2019-9891?

CVE-2019-9891 is a critical vulnerability published on May 31, 2019. 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.

When was CVE-2019-9891 disclosed?

CVE-2019-9891 was first published in the National Vulnerability Database on May 31, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-9891 actively exploited?

CVE-2019-9891 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9891?

CVE-2019-9891 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-9891?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9891, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2019-9891

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9891?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)