CVE-2011-2662: n/a vulnerability

CVE-2011-2662: Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remot...

Integer signedness error in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a negative BYWEEKNO property in a weekly RRULE variable in a VCALENDAR attachment in an e-mail message.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 20:42 UTC (UTC+00:00)

Security readout for executives and security teams

This is a legacy Novell GroupWise mail gateway flaw. A specially crafted calendar attachment sent by email could make the GroupWise Internet Agent process bad recurrence data and potentially run attacker-controlled code. The available bundle does not show active exploitation, but exposed unpatched GWIA systems would carry serious mail-infrastructure risk. Exposure is limited to organizations still running Novell GroupWise 8.0 GWIA before HP3, especially systems processing inbound email and calendar attachments. Modern environments not using this legacy product are not affected based on the provided sources. Treat as high priority only if legacy Novell GroupWise 8.0 GWIA remains in service. The business concern is compromise of mail infrastructure through inbound email handling. If the product is absent or upgraded past HP3, priority drops substantially. Mitigation focus: Upgrade Novell GroupWise 8.0 GWIA to HP3 or later vendor-supported guidance.; If upgrade is not possible, isolate or retire affected GWIA services.; Restrict inbound calendar attachment processing where operationally feasible..

Prepared: Jun 27, 2026, 17:48 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 8, 2011, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.novell.com/show_bug.cgi?id=707527CVE reference · x_refsource_CONFIRM
20110926 Novell GroupWise iCal RRULE ByWeekNo Memory Corruption VulnerabilityCVE reference · third-party-advisory, x_refsource_IDEFENSE

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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