Multiple buffer overflows in iMatix Xitami Web Server 2.5c2 allow remote attackers to execute arbitrary code via a long If-Modified-Since he
Multiple buffer overflows in iMatix Xitami Web Server 2.5c2 allow remote attackers to execute arbitrary code via a long If-Modified-Since header to (1) xigui32.exe or (2) xitami.exe.
- Published
- Sep 24, 2007
- Updated
- Jun 16, 2026
- EPSS
- 73.2% · 99th percentile
- CWE
- CWE-119
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Report tools
Action score
52
Plan
Add it to your regular patch cycle.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 22 / 30 · 73.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| imatix | xitami | cpe:2.3:a:imatix:xitami |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- imatix xitami2.5_c2
Same product
imatix: all recordsOther highest-scoring records for the same primary product.
- CVE-2008-6519Format string vulnerability in Xitami Web Server 2.2a through 2.5c2, and possibly other versions, allows remote attackers to cause a denial 42Plan
- CVE-2008-6520Multiple format string vulnerabilities in the SSI filter in Xitami Web Server 2.5c2, and possibly other versions, allow remote attackers to 41Plan
- CVE-2002-1942Imatix Xitami 2.5 b5 does not properly terminate certain Keep-Alive connections that have been broken or closed early, which allows remote a21Monitor
- CVE-2001-0391Xitami 2.5d4 and earlier allows remote attackers to crash the server via an HTTP request to the /aux directory.20Monitor
- CVE-2000-1225Xitami 2.5b installs the testcgi.exe program by default in the cgi-bin directory, which allows remote attackers to gain sensitive configurat20Monitor
- CVE-2002-1965Cross-site scripting (XSS) vulnerability in Errors.gsl in Imatix Xitami 2.5b4 and 2.5b5 allows remote attackers to inject arbitrary web scri18Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×2
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2007-09-24 |
| Exploit-DB entry | remote | 2010-08-25 |
| Metasploit module | exploit/windows/http/xitami_if_mod_sinceXitami 2.5c2 Web Server If-Modified-Since Overflowexploit | 2007-09-24 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-1 d
- Metasploit-1 d
- Published
- TodaySep 30, 2026+6946 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- secunia.com/advisories/26884
- www.vupen.com/english/advisories/2007/3258
- exchange.xforce.ibmcloud.com/vulnerabilities/36756
- www.exploit-db.com/exploits/4450
Vendor advisories and official records. Exploit/PoC links are deliberately left out.