CVE-2012-0439Groupwise Code Injection
An ActiveX control in gwcls1.dll in the client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code via (1) a pointer argument to the SetEngine method or (2) an XPItem pointer argument to an unspecified method.
Published Feb 24, 2013 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-0439 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Groupwise (Novell).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 39% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
39%
Higher than 98.5% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
56/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
An ActiveX control in gwcls1.dll in the client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code via (1) a pointer argument to the SetEngine method or (2) an XPItem pointer argument to an unspecified method.
Affected Products
14 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| GroupwiseNovell | 2012, 2012-sp1, 8.0, 8.00-hp1, 8.00-hp2, 8.00-hp3, 8.01, 8.01-hp | n/a |
Timeline
Publicly disclosed
Feb 24, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisorynovell.com · doc.php
- exploitMSF novell_groupwise_gwcls1_actvx.rb
- exploitExploitDB-24490
- otherbugzilla.novell.com · show_bug.cgi
- otherbugzilla.novell.com · show_bug.cgi
FAQ
Common Questions.
An ActiveX control in gwcls1.dll in the client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code via (1) a pointer argument to the SetEngine method or (2) an XPItem pointer argument to an unspecified method.
Affected: Groupwise (Novell) versions 2012, 2012-sp1, 8.0, 8.00-hp1, 8.00-hp2, 8.00-hp3, 8.01, 8.01-hp. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2012-0439 On Your Attack Surface?
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