CVE-1999-0491

NONECVSS 0.0Weaponized

0.0

The prompt parsing in bash allows a local user to execute commands as another user by creating a directory with the name of the command to execute.

CVSS v3: —
EG Score: —
EPSS: 53.6%
KEV: Not listed

Published

April 20, 1999

Last Modified

April 16, 2026

References (6)

cve@mitreftp://ftp.calderasystems.com/pub/OpenLinux/security/CSSA-1999-008.0.txt
cve@mitrehttp://www.securityfocus.com/bid/119
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9904202114070.6623-100000%40smooth.Operator.org
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.calderasystems.com/pub/OpenLinux/security/CSSA-1999-008.0.txt
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/119
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9904202114070.6623-100000%40smooth.Operator.org

Data Freshness Timeline

(refreshed 14× 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.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19095✓ verified
First seen Apr 20, 1999
GNU GNU bash 1.14 - Path Embedded Code Execution
Open source ↗

Frequently asked(4)

What is CVE-1999-0491?

CVE-1999-0491 is a none vulnerability published on April 20, 1999. The prompt parsing in bash allows a local user to execute commands as another user by creating a directory with the name of the command to execute.

When was CVE-1999-0491 disclosed?

CVE-1999-0491 was first published in the National Vulnerability Database on April 20, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0491 actively exploited?

CVE-1999-0491 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-0491?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0491, 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.

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CVE-1999-0491

📅 Published

🔄 Last Modified

🔗 References (6)