VDB-15155 · CVE-1999-1293 · XFDB 7249

Apache HTTP Server 1.2.5 mod_proxy denial of service

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server 1.2.5. It has been rated as problematic. This affects an unknown function of the component mod_proxy. The manipulation leads to denial of service. This vulnerability is referenced as CVE-1999-1293. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache HTTP Server 1.2.5 (Web Server). It has been rated as critical. This issue affects an unknown function of the component mod_proxy. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

mod_proxy in Apache 1.2.5 and earlier allows remote attackers to cause a denial of service via malformed FTP commands, which causes Apache to dump core.

The weakness was published 12/31/1999 as not defined bulletin (Website). It is possible to read the advisory at apache.org. The identification of this vulnerability is CVE-1999-1293. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7249) and Vulnerability Center (SBV-2111†). marc.theaimsgroup.com is providing further details. Similar entry is available at VDB-16466. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Web Server

Vendor

Apache

Name

HTTP Server

Version

1.2.5

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: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

12/31/1999 🔍
12/31/1999 +0 days 🔍
12/31/1999 +0 days 🔍
09/15/2003 +1354 days 🔍
06/23/2014 +3934 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: apache.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-1999-1293 (🔍)
GCVE (CVE): GCVE-0-1999-1293
GCVE (VulDB): GCVE-100-15155
X-Force: 7249
Vulnerability Center: 2111 - DoS in Mod_proxy in Apache <= 1.2.5, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/23/2014 10:19
Updated: 04/20/2026 05:45
Changes: 06/23/2014 10:19 (43), 04/16/2019 15:11 (17), 04/20/2026 05:45 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.