CVE-2010-2333
MediumPublic exploitLiteSpeed Technologies LiteSpeed Web Server 4.0.x before 4.0.15 allows remote attackers to read the source code of scripts via an HTTP request with a null byte followed by a .txt file extension.
Published Jun 18, 2010 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-2333 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Litespeed Web Server (Litespeedtech).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 60% 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
5.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS (30-day exploit likelihood)
60%
Higher than 99.1% 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-2010-2333 brief as a PDF
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Description
LiteSpeed Technologies LiteSpeed Web Server 4.0.x before 4.0.15 allows remote attackers to read the source code of scripts via an HTTP request with a null byte followed by a .txt file extension.
Affected Products
15 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Litespeed Web ServerLitespeedtech | 4.0, 4.0.1, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.2 | n/a |
Timeline
Publicly disclosed
Jun 18, 2010
Last updated
Apr 28, 2026
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisory40128
- patchhttp://www.litespeedtech.com/latest/litespeed-web-server-4.0.15-released.html
- exploit20100613 Litespeed Technologies Web Server Remote Poison null byte Zero-Day
- exploitExploitDB-13850
- exploit13850
FAQ
Common Questions.
LiteSpeed Technologies LiteSpeed Web Server 4.0.x before 4.0.15 allows remote attackers to read the source code of scripts via an HTTP request with a null byte followed by a .txt file extension.
Affected: Litespeed Web Server (Litespeedtech) versions 4.0, 4.0.1, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.2. 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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