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CVE-2011-2662

29
FAUCET Score

CVE-2011-2662 is a critical integer signedness error affecting Novell GroupWise 8.0 before HP3, specifically within the GroupWise Internet Agent (GWIA). This vulnerability allows unauthenticated remote attackers to execute arbitrary code by sending a specially crafted email containing a VCALENDAR attachment with a negative BYWEEKNO property in a weekly RRULE variable. With a CVSS score of 10.0, it presents a severe risk of complete compromise (confidentiality, integrity, and availability). Despite its high severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:a:novell:groupwise:8.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:novell:groupwise:8.0:hp1:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:novell:groupwise:8.0:hp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.09%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0409 is in the 82nd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugzilla.novell.com / show_bug.cgi
labs.idefense.com / verisign/intelligence/2009/vulnerabilities/display.php
novell.com / support/viewContent.do
Vendor Advisory