CVE-2006-4019

Squirrelmail vulnerability

CVSS

6.4

EPSS

9.8%

EPSS pct

95th

Exploited

No known

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows remote attackers to overwrite arbitrary program variables and read or write the attachments and preferences of other users.

Affected vendor

Squirrelmail

Affected product

Squirrelmail

CVSS vector

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

Published

2006-08-11

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.

Its EPSS score of 9.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2006-4019

Confirm whether Squirrelmail Squirrelmail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2006-4019.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-4019

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-4019 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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