CVE-2006-3901

Mailgate Email Firewall vulnerability

CVSS

7.5

EPSS

3.5%

EPSS pct

88th

Exploited

No known

Multiple stack-based buffer overflows in Tumbleweed Email Firewall (EMF) allow remote attackers to execute arbitrary code via an email attachment with an LHA archive that contains a (1) file or (2) directory with a long LHA extended header, (3) an LHA archive in which the "temporary pathname" field for decompressed output is greater than 2 bytes, or (4) an LHA archive with a long filename.

Affected vendor

Tumbleweed

Affected product

Mailgate Email Firewall

CVSS vector

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

Published

2006-07-27

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 confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2006-3901

Confirm whether Tumbleweed Mailgate Email Firewall is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2006-3901.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-3901

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-3901 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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