How severe is CVE-2008-3663?

CVE-2008-3663 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-3663 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3663?

CVE-2008-3663 affects Squirrelmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-3663?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-3663 published?

CVE-2008-3663 was published on 2008-09-24 and last updated on 2026-06-16.

CVE-2008-3663

CVE-2008-3663 is a medium-severity vulnerability in Squirrelmail with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Squirrelmail
Published: 2008-09-24
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2008-3663?: CVE-2008-3663 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-3663 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3663?: CVE-2008-3663 affects Squirrelmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-3663?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3663 published?: CVE-2008-3663 was published on 2008-09-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:squirrelmail:squirrelmail:1.4.15:*:*:*:*:*:*:*

More vulnerabilities in Squirrelmail

CVE-2004-0521 — Critical (CVSS 10.0): SQL injection vulnerability in SquirrelMail before 1.4.3 RC1 allows remote attackers to execute unauthorized SQL…
CVE-2002-0516 — Critical (CVSS 10.0): SquirrelMail 1.2.5 and earlier allows authenticated SquirrelMail users to execute arbitrary commands by modifying the…
CVE-2020-14932 — Critical (CVSS 9.8): compose.php in SquirrelMail 1.4.22 calls unserialize for the $mailtodata value, which originates from an HTTP GET…
CVE-2020-14933 — High (CVSS 8.8): compose.php in SquirrelMail 1.4.22 calls unserialize for the $attachments value, which originates from an HTTP POST…
CVE-2018-8741 — High (CVSS 8.8): A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially…
CVE-2017-7692 — High (CVSS 8.8): SquirrelMail 1.4.22 (and other versions before 20170427_0200-SVN) allows post-authentication remote code execution via…

All CVEs affecting Squirrelmail →

Other CWE-310 (Cryptographic Issues) vulnerabilities

CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…

Browse all CWE-310 (Cryptographic Issues) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

171.100.156.38 (ipv4-addr)