7.6

CVE-2006-3747: apache http_server Numeric Errors

Modified
AliasesDEBIAN-CVE-2006-3747DSA-1131-1DSA-1132-1
Published 28-07-2006Last modified 07-08-2024

Vulnerability summary

CVE-2006-3747 is a high (CVSS 7.6) Numeric Errors vulnerability in apache http_server. EPSS estimates a 97.13% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 5 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (exploit-database, 15-02-2010)

Source freshness unavailable

How is this decided?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
97.13%
0%100%
Critical · +0.55 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits5exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:10623-1

Timeline

  1. 28-07-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

1 score · 1 source · 1 version

EPSS trend

Probability

97.13%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

Increase +0.55 pp

From 96.58% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

5 found
  • exploit-databaseremotemultipleVerified

    Apache < 1.3.37/2.0.59/2.2.3 mod_rewrite - Remote Overflow

    Maturity: weaponized

  • exploit-databaseremotewindowsVerified

    Apache 2.0.58 mod_rewrite (Windows 2003) - Remote Overflow

    Maturity: weaponized

  • exploit-databaseremotewindowsVerified

    Apache mod_rewrite - LDAP protocol Buffer Overflow (Metasploit)

    Maturity: weaponized

Show all 5 exploits
  • exploit-databaseremotewindows_x86Verified

    Apache mod_rewrite (Windows x86) - Off-by-One Remote Overflow

    Maturity: weaponized

  • MetasploitMetasploitremoteVerified

    Apache Module mod_rewrite LDAP Protocol Buffer Overflow

    exploit/windows/http/apache_mod_rewrite_ldap

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian3 products
  • apache< 1.3.33-6sarge2
  • apache2< 2.0.54-5sarge1 | < 2.0.55-4.1
  • debian_linuxEOL3.1
Apache1 product
  • http_server≥ 1.3.28, < 1.3.37 | ≥ 2.0.46, < 2.0.59 | ≥ 2.2.0, < 2.2.3
Canonical1 product

3 vendors · 5 products

References

91 links
Show all 91 references