Netscape Communicator 4.7 Mail Notification Utility cleartext storage

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Netscape Communicator 4.7. This affects an unknown part of the component Mail Notification Utility. Such manipulation leads to cleartext storage. This vulnerability is listed as CVE-2000-0087. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netscape Communicator 4.7 (Web Browser). Affected by this issue is some unknown functionality of the component Mail Notification Utility. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. CVE summarizes:

Netscape Mail Notification (nsnotify) utility in Netscape Communicator uses IMAP without SSL, even if the user has set a preference for Communicator to use an SSL connection, allowing a remote attacker to sniff usernames and passwords in plaintext.

The weakness was presented 01/12/2000 as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-2000-0087. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1555.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4385) and Vulnerability Center (SBV-2871†). See VDB-15245 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Cleartext storage
CWE: CWE-312 / CWE-310
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

01/12/2000 🔍
01/12/2000 +0 days 🔍
01/12/2000 +0 days 🔍
11/17/2003 +1405 days 🔍
06/23/2014 +3871 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: netscape.com

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-2000-0087 (🔍)
GCVE (CVE): GCVE-0-2000-0087
GCVE (VulDB): GCVE-100-15248
X-Force: 4385
Vulnerability Center: 2871 - Netscape Mail Notification allows Sniffing of Usernames and Passwords, Medium

See also: 🔍

Entryinfo

Created: 06/23/2014 15:42
Updated: 04/20/2026 17:52
Changes: 06/23/2014 15:42 (41), 05/16/2019 18:06 (16), 04/20/2026 17:52 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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