CVE-2009-1580

CVE-2009-1580 is a medium-severity vulnerability in Squirrelmail with a CVSS 2.0 base score of 5.8. 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-287.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.8)
• EPSS exploit prediction: 2% (77th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Squirrelmail
• Published: 2009-05-14
• Last modified: 2026-06-16

Description

Session fixation vulnerability in SquirrelMail before 1.4.18 allows remote attackers to hijack web sessions via a crafted cookie.

Frequently asked questions

What is CVE-2009-1580?

Session fixation vulnerability in SquirrelMail before 1.4.18 allows remote attackers to hijack web sessions via a crafted cookie.

How severe is CVE-2009-1580?

CVE-2009-1580 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2009-1580 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1580?

CVE-2009-1580 primarily affects Squirrelmail. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1580?

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

When was CVE-2009-1580 published?

CVE-2009-1580 was published on 2009-05-14 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
• http://secunia.com/advisories/35052
• http://secunia.com/advisories/35073
• http://secunia.com/advisories/35140
• http://secunia.com/advisories/40220
• http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/doc/ChangeLog
• http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail?view=rev&revision=13676
• http://support.apple.com/kb/HT4188
• http://www.debian.org/security/2009/dsa-1802
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:110
• http://www.securityfocus.com/bid/34916
• http://www.squirrelmail.org/security/issue/2009-05-11
• http://www.vupen.com/english/advisories/2009/1296
• http://www.vupen.com/english/advisories/2010/1481
• https://bugzilla.redhat.com/show_bug.cgi?id=500358
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50462
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10107
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00566.html
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00572.html
• https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00577.html

Affected products (72)

• cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.3pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.4pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:0.5pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.0pre3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:rc3:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:squirrelmail:squirrelmail:1.2.8:*:*:*:*:*:*:*

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-287 (Improper Authentication) vulnerabilities

• CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
• CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
• CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
• CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
• CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 171.100.156.38 (ipv4-addr)