CVE-2009-1636

CVE-2009-1636 is a critical-severity vulnerability in Novell Groupwise with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 8% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Novell Groupwise
• Published: 2009-05-26
• Last modified: 2026-06-16

Description

Multiple buffer overflows in the Internet Agent (aka GWIA) component in Novell GroupWise 7.x before 7.03 HP3 and 8.x before 8.0 HP2 allow remote attackers to execute arbitrary code via (1) a crafted e-mail address in an SMTP session or (2) an SMTP command.

Frequently asked questions

What is CVE-2009-1636?

Multiple buffer overflows in the Internet Agent (aka GWIA) component in Novell GroupWise 7.x before 7.03 HP3 and 8.x before 8.0 HP2 allow remote attackers to execute arbitrary code via (1) a crafted e-mail address in an SMTP session or (2) an SMTP command.

How severe is CVE-2009-1636?

CVE-2009-1636 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-1636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1636?

CVE-2009-1636 primarily affects Novell Groupwise. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1636?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-1636 published?

CVE-2009-1636 was published on 2009-05-26 and last updated on 2026-06-16.

References

• http://osvdb.org/54644
• http://osvdb.org/54645
• http://secunia.com/advisories/35177
• http://www.novell.com/support/viewContent.do?externalId=7003272&sliceId=1
• http://www.novell.com/support/viewContent.do?externalId=7003273&sliceId=1
• http://www.securityfocus.com/archive/1/503724/100/0/threaded
• http://www.securityfocus.com/bid/35064
• http://www.securityfocus.com/bid/35065
• http://www.securitytracker.com/id?1022276
• http://www.vupen.com/english/advisories/2009/1393
• http://www.vupen.com/exploits/Novell_GroupWise_GWIA_Email_Address_Remote_Buffer_Overflow_Exploit_1393141.php
• http://www.vupen.com/exploits/Novell_GroupWise_GWIA_SMTP_Command_Remote_Buffer_Overflow_PoC_Exploit_1393140.php
• https://bugzilla.novell.com/show_bug.cgi?id=478892
• https://bugzilla.novell.com/show_bug.cgi?id=482914
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50692
• https://exchange.xforce.ibmcloud.com/vulnerabilities/50693

Affected products (12)

• cpe:2.3:a:novell:groupwise:7.0:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0:sp1:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0:sp2:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0:sp3:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.0:sp1:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.0:sp2:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.01:*:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.03:hp1a:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:7.03:hp2:*:*:*:*:*:*
• cpe:2.3:a:novell:groupwise:8.0:hp1:*:*:*:*:*:*

More vulnerabilities in Novell Groupwise

• CVE-2014-0610 — Critical (CVSS 10.0): The client in Novell GroupWise before 8.0.3 HP4, 2012 before SP3, and 2014 before SP1 on Windows allows remote…
• CVE-2013-0804 — Critical (CVSS 10.0): The client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute…
• CVE-2012-0417 — Critical (CVSS 10.0): Integer overflow in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before Support Pack 3 and 2012 before…
• CVE-2012-0271 — Critical (CVSS 10.0): Integer overflow in the WebConsole component in gwia.exe in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0…
• CVE-2011-2663 — Critical (CVSS 10.0): Array index error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to…
• CVE-2011-2662 — Critical (CVSS 10.0): Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers…

All CVEs affecting Novell Groupwise →

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