CVE-2011-3827

Groupwise vulnerability

CVSS

4.3

EPSS

3.7%

EPSS pct

89th

Exploited

No known

The iCalendar component in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before Support Pack 3 allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted date-time string in a .ics attachment.

Affected vendor

Novell

Affected product

Groupwise

CVSS vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2012-09-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2011-3827

Confirm whether Novell Groupwise is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-3827.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-3827

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-3827 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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