CVE-2008-3663

Squirrelmail 1.4.15 does not set the secure flag for the session cookie in an https session, which can cause the cookie to be sent in http requests and make it easier for remote attackers to capture this cookie.

Published: 2008-09-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-3663 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.16%). 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-2008-3663

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 1.26% 2.16% +0.90%
2 2025-12-28 1.06% 1.26% +0.20%
3 2025-12-27 — 1.06% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-3663

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2008-3663

OS Trackers for CVE-2008-3663

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2008-3663
ubuntu low CVE-2008-3663 low priority: Ubuntu including 1 source packages (squirrelmail), 6 status rows across 6 suites (dapper, feisty, gutsy, hardy, intrepid, upstream): released 4, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2008-3663

Vendor comments (NVD) for CVE-2008-3663

  • Red Hat (2009-01-12T00:00:00)

    This issue has been fixed in the affected Red Hat Enterprise Linux versions via: https://rhn.redhat.com/errata/RHSA-2009-0010.html

Affected software / configurations for CVE-2008-3663

Vendor Product Version Raw CPE
squirrelmail squirrelmail 1.4.15 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15:*:*:*:*:*:*:*

References for CVE-2008-3663

cvelogic Threat Intelligence