MEDIUM
CVE-2011-4951
NVD-CWE-OtherPublished: August 31, 2012· Updated: Jun 16, 2026
5.8
CVSS v3.1
Official Description
Open redirect vulnerability in phpgwapi/ntlm/index.php in EGroupware Enterprise Line (EPL) before 11.1.20110804-1 and EGroupware Community Edition before 1.8.001.20110805 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the forward parameter.
Technical Analysis
CVE-2011-4951 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:N/C:P/I:P/A:N
Affected Vendors & Products
egroupware2 product(s)
egroupwareegroupware enterprise line
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (16)
Quick Facts
CVE IDCVE-2011-4951
CVSS Score5.8 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedAug 31, 2012
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4951 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.