Apache HTTP Server 2.0.51 Satisfy Directive Remote Code Execution

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apache HTTP Server 2.0.51. Impacted is an unknown function. The manipulation of the argument Satisfy Directive results in Remote Code Execution. This vulnerability is reported as CVE-2004-0811. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache HTTP Server 2.0.51 (Web Server). It has been classified as critical. Affected is an unknown code block. The manipulation of the argument Satisfy Directive with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Unknown vulnerability in Apache 2.0.51 prevents "the merging of the Satisfy directive," which could allow attackers to obtain access to restricted resources contrary to the specified authentication configuration.

The weakness was disclosed 09/23/2004 by Apache Week with Apache Week (Website). The advisory is shared for download at apacheweek.com. This vulnerability is traded as CVE-2004-0811 since 08/25/2004. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 14803 (Apache <= 2.0.51 Satisfy Directive Access Control Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86681 (Apache 2.0.51 Satisfy Directive Access Control Bypass Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at httpd.apache.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (17473), Tenable (14803), SecurityFocus (BID 11239†), OSVDB (10218†) and Secunia (SA12633†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14803
Nessus Name: Apache <= 2.0.51 Satisfy Directive Access Control Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 835139
OpenVAS Name: HP StorageWorks Default Accounts and Directory Traversal Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

ATK: 259

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: httpd.apache.org

Timelineinfo

08/25/2004 🔍
09/22/2004 +28 days 🔍
09/22/2004 +0 days 🔍
09/23/2004 +1 days 🔍
09/23/2004 +0 days 🔍
09/23/2004 +0 days 🔍
09/23/2004 +0 days 🔍
09/23/2004 +0 days 🔍
09/24/2004 +0 days 🔍
09/27/2004 +3 days 🔍
09/27/2004 +0 days 🔍
12/31/2004 +95 days 🔍
07/07/2025 +7493 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: apacheweek.com
Researcher: Apache Week
Organization: Apache Week
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-0811 (🔍)
GCVE (CVE): GCVE-0-2004-0811
GCVE (VulDB): GCVE-100-852
X-Force: 17473 - Apache HTTP Server Satisfy directive allows access to resources, Medium Risk
SecurityFocus: 11239 - Apache Satisfy Directive Access Control Bypass Vulnerability
Secunia: 12633 - Apache "Satisfy" Directive Access Control Bypass Security Issue, Moderately Critical
OSVDB: 10218 - Apache HTTP Server Satisfy Directive Access Control Bypass
SecurityTracker: 1011385 - Apache Satsify Directive Error May Let Remote Users Access Restricted Resources
Vulnerability Center: 5444 - Apache 2.0.51 Allows Gaining Access via \x27Satisfy\x27 Directive, High

Entryinfo

Created: 09/27/2004 11:55
Updated: 07/07/2025 17:54
Changes: 09/27/2004 11:55 (94), 04/16/2019 15:10 (7), 03/09/2021 19:49 (2), 07/07/2025 17:54 (17)
Complete: 🔍
Cache ID: 216:46D:103

Once again VulDB remains the best source for vulnerability data.

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