Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing << redirects (aka here-documents or in-here documents), which allows local users to overwrite files of other users via a symlink attack.
Conclusion & alert: CVE-2000-1134 is rated High Exploit Risk (63/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.17%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 217 | exploit_db | edb | 2000-12-04 | Exploit-DB ↗ |
| 20436 | exploit_db | edb | 2000-01-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2024-12-17 | 0.04% | 0.17% | +0.13% |
| 2 | 2023-03-07 | 3.22% | 0.04% | -3.18% |
| 3 | 2022-02-04 | — | 3.22% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
— | — | https://access.redhat.com/security/cve/CVE-2000-1134 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| immunix | immunix | 6.2 | cpe:2.3:a:immunix:immunix:6.2:*:*:*:*:*:*:* |
| conectiva | linux | 4.0 | cpe:2.3:o:conectiva:linux:4.0:*:*:*:*:*:*:* |
| conectiva | linux | 4.0es | cpe:2.3:o:conectiva:linux:4.0es:*:*:*:*:*:*:* |
| conectiva | linux | 4.1 | cpe:2.3:o:conectiva:linux:4.1:*:*:*:*:*:*:* |
| conectiva | linux | 4.2 | cpe:2.3:o:conectiva:linux:4.2:*:*:*:*:*:*:* |
| conectiva | linux | 5.0 | cpe:2.3:o:conectiva:linux:5.0:*:*:*:*:*:*:* |
| conectiva | linux | 5.1 | cpe:2.3:o:conectiva:linux:5.1:*:*:*:*:*:*:* |
| caldera | openlinux | — | cpe:2.3:o:caldera:openlinux:*:*:*:*:*:*:*:* |
| caldera | openlinux_edesktop | 2.4 | cpe:2.3:o:caldera:openlinux_edesktop:2.4:*:*:*:*:*:*:* |
| caldera | openlinux_eserver | 2.3 | cpe:2.3:o:caldera:openlinux_eserver:2.3:*:*:*:*:*:*:* |
| hp | hp-ux | 11.11 | cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 6.0 | cpe:2.3:o:mandrakesoft:mandrake_linux:6.0:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 6.1 | cpe:2.3:o:mandrakesoft:mandrake_linux:6.1:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 7.0 | cpe:2.3:o:mandrakesoft:mandrake_linux:7.0:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 7.1 | cpe:2.3:o:mandrakesoft:mandrake_linux:7.1:*:*:*:*:*:*:* |
| mandrakesoft | mandrake_linux | 7.2 | cpe:2.3:o:mandrakesoft:mandrake_linux:7.2:*:*:*:*:*:*:* |
| redhat | linux | 5.2 | cpe:2.3:o:redhat:linux:5.2:*:*:*:*:*:*:* |
| redhat | linux | 6.0 | cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:* |
| redhat | linux | 6.1 | cpe:2.3:o:redhat:linux:6.1:*:*:*:*:*:*:* |
| redhat | linux | 6.2 | cpe:2.3:o:redhat:linux:6.2:*:*:*:*:*:*:* |
| redhat | linux | 6.2e | cpe:2.3:o:redhat:linux:6.2e:*:*:*:*:*:*:* |
| suse | suse_linux | 7.0 | cpe:2.3:o:suse:suse_linux:7.0:*:*:*:*:*:*:* |