CVE-2004-0313
CriticalPublic exploitBuffer overflow in PSOProxy 0.91 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long HTTP request, as demonstrated using a long (1) GET argument or (2) method name.
Published Nov 23, 2004 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2004-0313 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Psoproxy Server.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2004-0313 brief as a PDF
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Description
Buffer overflow in PSOProxy 0.91 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long HTTP request, as demonstrated using a long (1) GET argument or (2) method name.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Psoproxy ServerPsoproxy | 0.91 | n/a |
Timeline
Publicly disclosed
Nov 23, 2004
Last updated
Apr 15, 2026
References
- exploitMSF psoproxy91_overflow.rb
- exploitExploitDB-156
- exploitExploitDB-16790
- exploitExploitDB-23732
- exploitExploitDB-23733
FAQ
Common Questions.
Buffer overflow in PSOProxy 0.91 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long HTTP request, as demonstrated using a long (1) GET argument or (2) method name.
Affected: Psoproxy Server versions 0.91. 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.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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