How severe is CVE-2011-0333?

CVE-2011-0333 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-0333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0333?

CVE-2011-0333 primarily affects Novell Groupwise. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0333?

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-2011-0333 published?

CVE-2011-0333 was published on 2011-10-08 and last updated on 2026-06-16.

CVE-2011-0333

CVE-2011-0333 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: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Novell Groupwise
Published: 2011-10-08
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the NgwiCalVTimeZoneBody::ParseSelf function in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a crafted TZNAME variable in a VCALENDAR attachment in an e-mail message, related to an "integer truncation error."

Frequently asked questions

What is CVE-2011-0333?: Heap-based buffer overflow in the NgwiCalVTimeZoneBody::ParseSelf function in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before HP3 allows remote attackers to execute arbitrary code via a crafted TZNAME variable in a VCALENDAR attachment in an e-mail message, related to an "integer truncation error."
How severe is CVE-2011-0333?: CVE-2011-0333 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-0333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0333?: CVE-2011-0333 primarily affects Novell Groupwise. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0333?: 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-2011-0333 published?: CVE-2011-0333 was published on 2011-10-08 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:novell:groupwise:8.0:*:*:*:*:*:*:*
cpe:2.3:a:novell:groupwise:8.0:hp1:*:*:*:*:*:*
cpe:2.3:a:novell:groupwise:8.0:hp2:*:*:*:*:*:*

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