CVE-2004-0524
CVE-2004-0524 is a critical-severity vulnerability with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 privileges via a long user name.
- How severe is CVE-2004-0524?
- CVE-2004-0524 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2004-0524 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2004-0524?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2004-0524 published?
- CVE-2004-0524 was published on 2004-08-06 and last updated on 2026-06-16.