Netscape Communicator 4.0 JavaScript privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Netscape Communicator 4.0. Impacted is an unknown function of the component JavaScript Handler. The manipulation leads to privileges management. This vulnerability is listed as CVE-1999-0809. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Netscape Communicator 4.0 (Web Browser). It has been rated as critical. This issue affects some unknown functionality of the component JavaScript Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

Netscape Communicator 4.x with Javascript enabled does not warn a user of cookie settings, even if they have selected the option to "Only accept cookies originating from the same server as the page being viewed".

The weakness was presented 07/09/1999. The identification of this vulnerability is CVE-1999-0809. 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 T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/09/1999 🔍
07/09/1999 +0 days 🔍
06/21/2014 +5461 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: netscape.com

Status: Confirmed

CVE: CVE-1999-0809 (🔍)
GCVE (CVE): GCVE-0-1999-0809
GCVE (VulDB): GCVE-100-14723

Entryinfo

Created: 06/21/2014 12:06
Updated: 04/19/2026 06:12
Changes: 06/21/2014 12:06 (39), 05/21/2018 10:05 (6), 04/19/2026 06:12 (18)
Complete: 🔍
Cache ID: 216::103

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