CVE-2006-3747

highpriority · attend · 74EPSS 0.966 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

6 exploits · weaponized

Likely / severe?

96.6% (100th) EPSS

CVSS 7.6 · high

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-23

Off-by-one error in the ldap scheme handling in the Rewrite module (mod_rewrite) in Apache 1.3 from 1.3.28, 2.0.46 and other versions before 2.0.59, and 2.2, when RewriteEngine is enabled, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted URLs that are not properly handled using certain rewrite rules.

cvss

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-189USprimaryCWE-189US

exploits (6)

Public proof-of-concept and weaponised exploit code.

exploit/windows/http/apache_mod_rewrite_ldapApache Module mod_rewrite LDAP Protocol Buffer Overflowweaponized · metasploit
EDB-16752Apache mod_rewrite - LDAP protocol Buffer Overflow (Metasploit)functional · exploit_db
EDB-2237Apache < 1.3.37/2.0.59/2.2.3 mod_rewrite - Remote Overflowfunctional · exploit_db
EDB-3680Apache mod_rewrite (Windows x86) - Off-by-One Remote Overflowfunctional · exploit_db
EDB-3996Apache 2.0.58 mod_rewrite (Windows 2003) - Remote Overflowfunctional · exploit_db
defensahacker/CVE-2006-3747Information about my advisory on CVE-2006-3747 (Apache mod_rewrite LDAP off-by-one buffer overflow).. At the time, it was the first public working exploit :)PoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 3.1fstec_bduRU
apache http server1.3.28 → 1.3.37nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
apache http server2.0.46 → 2.0.59nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
apache http server2.2.0 → 2.2.3nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
canonical ubuntu linux= 5.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 5.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 6.06nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linux= 3.1nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2006-07-28modified 2026-06-16

related (1,342)

Related entries.

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+1337 more

references (180)

External citations — patches, advisories, analysis.

scry

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