CVE-2010-0425
CriticalPublic exploitmodules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure that request processing is complete before calling isapi_unload for an ISAPI .dll module, which…
Published Mar 5, 2010 · Updated Feb 4, 2026
Key Facts
Patch immediately- CVE-2010-0425 is a critical-severity vulnerability (CVSS 10.0 v2) affecting HTTP Server (Apache), Vmware Ace Management Server (Broadcom), Websphere Application Server (Ibm) and 8 more products.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 94% probability of exploitation in the next 30 days.
- Fixed versions are available, including HTTP Server 2.0.64, apache2 2.2.34-70.12.1, apache2 2.4.23-4.1.
- 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)
94%
Higher than 99.8% 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-2010-0425 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure that request processing is complete before calling isapi_unload for an ISAPI .dll module, which allows remote attackers to execute arbitrary code via unspecified vectors related to a crafted request, a reset packet, and "orphaned callback pointers."
Affected Products
100 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| HTTP ServerApache | 6.0.2, 6.0.2.1, 6.0.2.11, 6.0.2.13, 6.0.2.15, 6.0.2.19, 6.0.2.21, 6.0.2.23 | 2.0.64 |
| Vmware Ace Management ServerBroadcom | See advisory | 2.7.2 |
| Websphere Application ServerIbm | See advisory | 6.1.0.31 |
| apache2debian | See advisory | 0 |
| apache2-develsuse | See advisory | 2.4.23-4.1 |
Patched Releases
HTTP Server
2.0.64
apache2
2.2.34-70.12.1, 2.4.23-4.1
apache2-devel
2.2.34-70.12.1, 2.4.23-4.1
apache2-doc
2.2.34-70.12.1, 2.4.23-4.1
apache2-event
2.4.23-4.1
apache2-example-pages
2.2.34-70.12.1, 2.4.23-4.1
apache2-prefork
2.2.34-70.12.1, 2.4.23-4.1
apache2-utils
2.2.34-70.12.1, 2.4.23-4.1
apache2-worker
2.2.34-70.12.1, 2.4.23-4.1
Vmware Ace Management Server
2.7.2
Websphere Application Server
6.1.0.31
Timeline
Publicly disclosed
Mar 5, 2010
Last updated
Feb 4, 2026
References
- advisoryhttp://httpd.apache.org/security/vulnerabilities_20.html
- advisoryhttp://httpd.apache.org/security/vulnerabilities_22.html
- advisoryhttps://bugzilla.suse.com/1045060
- advisoryhttps://bugzilla.suse.com/1045061
- advisoryhttps://bugzilla.suse.com/1045062
FAQ
Common Questions.
modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure that request processing is complete before calling isapi_unload for an ISAPI .dll module, which allows remote attackers to execute arbitrar…
Affected: HTTP Server (Apache) versions 6.0.2, 6.0.2.1, 6.0.2.11, 6.0.2.13, 6.0.2.15, 6.0.2.19, 6.0.2.21, 6.0.2.23; Vmware Ace Management Server (Broadcom); Websphere Application Server (Ibm), among others. 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 HTTP Server 2.0.64, apache2 2.2.34-70.12.1, apache2 2.4.23-4.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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