Apache HTTP Server up to 1.3.20 mod_rewrite privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server up to 1.3.20 and classified as critical. Impacted is an unknown function of the component mod_rewrite. Executing a manipulation can lead to privileges management. This vulnerability appears as CVE-2001-1072. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apache HTTP Server up to 1.3.20 (Web Server). This vulnerability affects an unknown code of the component mod_rewrite. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect availability. CVE summarizes:

Apache with mod_rewrite enabled on most UNIX systems allows remote attackers to bypass RewriteRules by inserting extra / (slash) characters into the requested path, which causes the regular expression in the RewriteRule to fail.

The weakness was presented 08/31/2001 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2001-1072. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 86625 (Multiple Apache Web Server (1.3.20 And Earlier) Vulnerabilities).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8633), SecurityFocus (BID 3176†) and Vulnerability Center (SBV-3879†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Web Server

Vendor

• Apache

Name

• HTTP Server

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5
• 1.3.6
• 1.3.7
• 1.3.8
• 1.3.9
• 1.3.10
• 1.3.11
• 1.3.12
• 1.3.13
• 1.3.14
• 1.3.15
• 1.3.16
• 1.3.17
• 1.3.18
• 1.3.19
• 1.3.20

License

• open-source

Support

• end of life (old version)

Website

• Vendor: https://www.apache.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/12/2001 🔍
08/12/2001 +0 days 🔍
08/31/2001 +19 days 🔍
08/31/2001 +0 days 🔍
02/29/2004 +912 days 🔍
07/08/2014 +3782 days 🔍
09/29/2025 +4101 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2001-1072 (🔍)
GCVE (CVE): GCVE-0-2001-1072
GCVE (VulDB): GCVE-100-17308
X-Force: 8633 - Apache HTTP Server with mod_rewrite could allow an attacker to bypass directives
SecurityFocus: 3176 - Apache Mod ReWrite Rules Bypassing Image Linking Vulnerability
Vulnerability Center: 3879 - Apache With Mod_Rewrite Enabled Allows RewriteRules Bypass, Low

Entryinfo

Created: 07/08/2014 17:37
Updated: 09/29/2025 12:18
Changes: 07/08/2014 17:37 (41), 05/20/2019 10:29 (22), 09/29/2025 12:18 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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