CVE-2004-0430Mac OS X Vulnerability
Stack-based buffer overflow in AppleFileServer for Mac OS X 10.3.3 and earlier allows remote attackers to execute arbitrary code via a LoginExt packet for a Cleartext Password User Authentication Method (UAM) request with a PathName argument that includes an AFPName type string…
Published Jul 7, 2004 · Updated Apr 15, 2026
Key Facts
Routine patching- CVE-2004-0430 is a medium-severity vulnerability (CVSS 5.1 v2) affecting Mac OS X (Apple), Mac OS X Server (Apple).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 41% probability of exploitation in the next 30 days.
- Fixed versions are available, including Mac OS X 10.3.3, Mac OS X Server 10.3.3.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
41%
Higher than 98.6% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
48/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
4
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- patchA050304-1
Description
Stack-based buffer overflow in AppleFileServer for Mac OS X 10.3.3 and earlier allows remote attackers to execute arbitrary code via a LoginExt packet for a Cleartext Password User Authentication Method (UAM) request with a PathName argument that includes an AFPName type string that is longer than the associated length field.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Mac OS XApple | See advisory | 10.3.3 |
| Mac OS X ServerApple | See advisory | 10.3.3 |
Patched Releases
Mac OS X
10.3.3
Mac OS X Server
10.3.3
Timeline
Publicly disclosed
Jul 7, 2004
Last updated
Apr 15, 2026
References
- patchA050304-1
- exploitMSF loginext.rb
- exploitExploitDB-16863
- exploitExploitDB-391
- exploitExploitDB-9931
FAQ
Common Questions.
Stack-based buffer overflow in AppleFileServer for Mac OS X 10.3.3 and earlier allows remote attackers to execute arbitrary code via a LoginExt packet for a Cleartext Password User Authentication Method (UAM) request with a PathName argument that includes an AFPName type string that is longer than the associated lengt…
Affected: Mac OS X (Apple); Mac OS X Server (Apple). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Mac OS X 10.3.3, Mac OS X Server 10.3.3.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2004-0430 On Your Attack Surface?
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