The prompt parsing in bash allows a local user to execute commands as another user by…
Priority LOW 23CWE-94Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
EPSS 0.00858 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:bash:*:*:*:*:*:*:*:* | up to 2.04 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.0:*:*:*:*:*:*:* | 1.14.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.1:*:*:*:*:*:*:* | 1.14.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.2:*:*:*:*:*:*:* | 1.14.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.3:*:*:*:*:*:*:* | 1.14.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.4:*:*:*:*:*:*:* | 1.14.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.5:*:*:*:*:*:*:* | 1.14.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.6:*:*:*:*:*:*:* | 1.14.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:1.14.7:*:*:*:*:*:*:* | 1.14.7 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | GNU |
- cpe:2.3:a:gnu:bash:*:*:*:*:*:*:*:* Versions up to 2.04 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.0:*:*:*:*:*:*:* Versions 1.14.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.1:*:*:*:*:*:*:* Versions 1.14.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.2:*:*:*:*:*:*:* Versions 1.14.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.3:*:*:*:*:*:*:* Versions 1.14.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.4:*:*:*:*:*:*:* Versions 1.14.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.5:*:*:*:*:*:*:* Versions 1.14.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.6:*:*:*:*:*:*:* Versions 1.14.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:1.14.7:*:*:*:*:*:*:* Versions 1.14.7 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·GNU
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:bash:2.01:*:*:*:*:*:*:* | 2.01 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.01.1:*:*:*:*:*:*:* | 2.01.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.02:*:*:*:*:*:*:* | 2.02 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.02.1:*:*:*:*:*:*:* | 2.02.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.03:*:*:*:*:*:*:* | 2.03 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.05:*:*:*:*:*:*:* | 2.05 | Vulnerable | GNU |
| cpe:2.3:a:gnu:bash:2.05:a:*:*:*:*:*:* | 2.05 a | Vulnerable | GNU |
- cpe:2.3:a:gnu:bash:2.01:*:*:*:*:*:*:* Versions 2.01 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.01.1:*:*:*:*:*:*:* Versions 2.01.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.02:*:*:*:*:*:*:* Versions 2.02 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.02.1:*:*:*:*:*:*:* Versions 2.02.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.03:*:*:*:*:*:*:* Versions 2.03 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.05:*:*:*:*:*:*:* Versions 2.05 Vulnerable ·GNU
- cpe:2.3:a:gnu:bash:2.05:a:*:*:*:*:*:* Versions 2.05 a Vulnerable ·GNU
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0491
- 2026-10-03 Alias added: GHSA-fxcm-gf29-76g5
References
—
More GNU Bash vulnerabilities
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05164 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… KEVCVSS 3.1HIGH 8.8
- TI-2014-05988 The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows… CVSS 2.0HIGH 10.0
- TI-2014-05163 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… CVSS 2.0HIGH 10.0
- TI-2014-05989 Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3… CVSS 2.0HIGH 10.0
Sources
- CVE-1999-0491 · CVE Program
- CVE-1999-0491 · NVD
- FIRST EPSS
- GHSA-fxcm-gf29-76g5 · GitHub Advisory Database · CC BY 4.0
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