CVE-2004-0524
Buffer overflow in the chpasswd command in the Change_passwd plugin before 4.0, as used in SquirrelMail, allows local users to gain root…
- 10.0HighCVSS base score
- 4.6%Exploitation in 30 daysEPSS · top 8.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Buffer overflow in the chpasswd command in the Change_passwd plugin before 4.0, as used in SquirrelMail, allows local users to gain root privileges via a long user name.
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
- SquirrelMail - 'chpasswd' Local Privilege Escalation (Brute Force) (Exploit-DB entry) (opens in a new tab)
EDB-ID 417local, linuxpublished 25 Aug 2004Verified
- SquirrelMail - 'chpasswd' Local Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 273local, linuxpublished 20 Apr 2004Verified
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
- 20 years later
· 20 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 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.2% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
6
- 11415 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20040427 Re: Squirrelmail Chpasswod bof (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 10166 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- squirrelmail-chpasswd-binary-bo(15889) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.squirrelmail.org/plugin_view.php?id=117 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20040417 Squirrelmail Chpasswod bof (opens in a new tab)mailing-listx_refsource_BUGTRAQx_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-2004-0523 (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-2004-0524)Record last updated .