CVE-2000-1134
Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing <<…
- 7.2HighCVSS base score
- 1.4%Exploitation in 30 daysEPSS · top 27% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it.
Show the exploits2
Exploit-DB2 entries
- UUCP - File Creation/Overwriting Symlinks (Exploit-DB entry) (opens in a new tab)
EDB-ID 217local, linuxpublished 4 Dec 2000Verified
- Apple Mac OSX 10 / HP-UX 9/10/11 / Mandriva 6/7 / RedHat 5/6 / SCO 5 / IRIX 6 - Shell Redirection Race Condition (Exploit-DB entry) (opens in a new tab)
EDB-ID 20436local, unixpublished 2 Jan 2000Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 5 days later
· 5 days later
Published
- 24 years later
· 24 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
n/a
- affected n/a
References
17
- 20001111a (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1926 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- CLA-2000:350 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- oval:org.mitre.oval:def:4047 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- SSRT1-41U (opens in a new tab)vendor-advisoryx_refsource_COMPAQx_transferred
- 2006 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDKSA-2000-069 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- CSSA-2000-042.0 (opens in a new tab)vendor-advisoryx_refsource_CALDERAx_transferred
- RHSA-2000:117 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- VU#10277 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 20001130 [ADV/EXP]: RH6.x root from bash /tmp vuln + MORE (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20001028 tcsh: unsafe tempfile in << redirects (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- MDKSA-2000:075 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- CSSA-2000-043.0 (opens in a new tab)vendor-advisoryx_refsource_CALDERAx_transferred
- 20001128 /bin/sh creates insecure tmp files (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- CLSA-2000:354 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- RHSA-2000:121 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2000-1119 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2000-1134)Record last updated .