CVE-2011-4189
CWE-94Published: March 2, 2012· Updated: Jun 16, 2026
Official Description
The client in Novell GroupWise 8.0x through 8.02HP3 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via a long e-mail address in an Address Book (aka .NAB) file.
Technical Analysis
CVE-2011-4189 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2011-4189. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (16)
Quick Facts
Related CVEs (CWE-94)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4189 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts