CVE-2004-1698

Popmessenger vulnerability

CVSS

5.0

EPSS

3.2%

EPSS pct

87th

Exploited

No known

The Base64 function in PopMessenger 1.60 (before 20 Sep 2004) and earlier allows remote attackers to cause a denial of service (application crash) via invalid characters in a message, which causes several alert dialogs to be displayed and leads to a crash.

Affected vendor

Leadmind

Affected product

Popmessenger

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2004-09-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2004-1698

Confirm whether Leadmind Popmessenger is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-1698.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-1698

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-1698 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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