CVE-2009-0030

A certain Red Hat patch for SquirrelMail 1.4.8 sets the same SQMSESSID cookie value for all sessions, which allows remote authenticated users to access other users' folder lists and configuration data in opportunistic circumstances by using the standard webmail.php interface. NOTE: this vulnerability exists because of an incorrect fix for CVE-2008-3663.

Published: 2009-01-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0030 is rated Moderate Risk (52.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.68%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-0030

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.05% 1.68% +0.63%
2 2025-03-30 1.81% 1.05% -0.77%
3 2025-03-29 — 1.81% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0030

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2009-0030

OS Trackers for CVE-2009-0030

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2009-0030
ubuntu low CVE-2009-0030 low priority: Ubuntu including 1 source packages (squirrelmail), 5 status rows across 5 suites (dapper, gutsy, hardy, intrepid, upstream): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2009-0030

Affected software / configurations for CVE-2009-0030

Vendor Product Version Raw CPE
squirrelmail squirrelmail 1.4.8 cpe:2.3:a:squirrelmail:squirrelmail:1.4.8:*:*:*:*:*:*:*

References for CVE-2009-0030

cvelogic Threat Intelligence