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Vulnerability record · CVE-1999-0491 · published 20 April 1999

CVE-1999-0491: Gnu bash code injection vulnerability

Gnu · Bash

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.

4.6 CVSS 2.0 Medium EPSS 0.87% · top 43.0% CWE-94 · Code injection
4.6CVSS 2.0 base score
0.87%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

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.

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

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

References

LinkTags
ftp://ftp.calderasystems.com/pub/OpenLinux/security/CSSA-1999-008.0.txt PatchVendor Advisory
http://www.securityfocus.com/bid/119
http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9904202114070.6623-100000%40smooth.Operator
ftp://ftp.calderasystems.com/pub/OpenLinux/security/CSSA-1999-008.0.txt PatchVendor Advisory
http://www.securityfocus.com/bid/119
http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9904202114070.6623-100000%40smooth.Operator

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-0491), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.