5.0
MEDIUM
CVE-2001-1556
Apache Web Server Unquoted Log Injection Vulnerability
Description

The log files in Apache web server contain information directly supplied by clients and does not filter or quote control characters, which could allow remote attackers to hide HTTP requests and spoof source IP addresses when logs are viewed with UNIX programs such as cat, tail, and grep.

INFO

Published Date :

Dec. 31, 2001, 5 a.m.

Last Modified :

Nov. 20, 2024, 11:37 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2001-1556 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache http_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2001-1556.

URL Resource
http://archives.neohapsis.com/archives/bugtraq/2001-10/0231.html Broken Link
http://httpd.apache.org/docs/logs.html Vendor Advisory
http://www.iss.net/security_center/static/7363.php Broken Link
http://archives.neohapsis.com/archives/bugtraq/2001-10/0231.html Broken Link
http://httpd.apache.org/docs/logs.html Vendor Advisory
http://www.iss.net/security_center/static/7363.php Broken Link

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2001-1556 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2001-1556 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Oct. 14, 2020

    Action Type Old Value New Value
    Changed Reference Type http://archives.neohapsis.com/archives/bugtraq/2001-10/0231.html Exploit, Vendor Advisory http://archives.neohapsis.com/archives/bugtraq/2001-10/0231.html Broken Link
    Changed Reference Type http://httpd.apache.org/docs/logs.html No Types Assigned http://httpd.apache.org/docs/logs.html Vendor Advisory
    Changed Reference Type http://www.iss.net/security_center/static/7363.php No Types Assigned http://www.iss.net/security_center/static/7363.php Broken Link
    Removed CWE NIST NVD-CWE-Other
    Added CWE NIST CWE-532
    Removed CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (excluding) 1.3.31 *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (excluding) 2.0.49
  • Initial Analysis by [email protected]

    Sep. 27, 2005

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2001-1556 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2001-1556 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.88 }} -1.22%

score

0.82785

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability