CVE-2001-0169
When using the LD_PRELOAD environmental variable in SUID or SGID applications, glibc does not verify that preloaded libraries in…
- 2.1LowCVSS base score
- 0.86%Exploitation in 30 daysEPSS · top 41% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
When using the LD_PRELOAD environmental variable in SUID or SGID applications, glibc does not verify that preloaded libraries in /etc/ld.so.cache are also SUID/SGID, which could allow a local user to overwrite arbitrary files by loading a library from /lib or /usr/lib.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- GLIBC 2.1.3 - 'LD_PRELOAD' Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 290local, linuxpublished 4 Mar 2001Verified
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
- 2 months later
· 2 months later
Published
- 23 years later
· 23 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 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 0.86% · top 41% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Affected products
n/a
- affected n/a
References
9
- SuSE-SA:2001:01 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-039 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- linux-glibc-preload-overwrite(5971) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 2223 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20010121 Trustix Security Advisory - glibc (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- MDKSA-2001:012 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- RHSA-2001:002 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- TLSA2000021-2 (opens in a new tab)vendor-advisoryx_refsource_TURBOx_transferred
- CSSA-2001-007 (opens in a new tab)vendor-advisoryx_refsource_CALDERAx_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-2001-0169 (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-2001-0169)Record last updated .