CVE-1999-1189

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long argument after the ? character in a URL that references an .asp, .cgi, .html, or .pl file.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

1999-11-24 CVE Published
2001-08-31 CVE Reserved
2024-08-01 CVE Updated
2024-08-01 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (4)

URL	Tag	Source
https://exchange.xforce.ibmcloud.com/vulnerabilities/7884	Vdb Entry

URL	Date	SRC
http://www.securityfocus.com/archive/1/36306	2024-08-01
http://www.securityfocus.com/bid/822	2024-08-01

URL	Date	SRC

URL	Date	SRC
http://www.securityfocus.com/archive/1/36608	2017-10-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netscape Search vendor "Netscape"		Communicator Search vendor "Netscape" for product "Communicator"				4.7 Search vendor "Netscape" for product "Communicator" and version "4.7"		-		Affected
Netscape Search vendor "Netscape"		Navigator Search vendor "Netscape" for product "Navigator"				4.7 Search vendor "Netscape" for product "Navigator" and version "4.7"		-		Affected