CVE-2001-1159

Squirrelmail vulnerability

CVSS

7.5

EPSS

3.6%

EPSS pct

88th

Exploited

No known

load_prefs.php and supporting include files in SquirrelMail 1.0.4 and earlier do not properly initialize certain PHP variables, which allows remote attackers to (1) view sensitive files via the config_php and data_dir options, and (2) execute arbitrary code by using options_order.php to upload a message that could be interpreted as PHP.

Affected vendor

Squirrelmail

Affected product

Squirrelmail

CVSS vector

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

Published

2001-07-02

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 3.6% 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-2001-1159

Confirm whether Squirrelmail Squirrelmail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-1159.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-1159

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-1159 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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