CVE-2002-1434

Kerio Mailserver vulnerability

CVSS

6.8

EPSS

4.3%

EPSS pct

90th

Exploited

No known

Multiple cross-site scripting (XSS) vulnerabilities in the Web mail module of Kerio MailServer 5.0 allow remote attackers to execute HTML script as other users via certain URLs.

Affected vendor

Kerio

Affected product

Kerio Mailserver

CVSS vector

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

Published

2003-04-11

Risk analysis

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

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2002-1434

Confirm whether Kerio Kerio Mailserver is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2002-1434.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-1434

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-1434 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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