MEDIUM
CVE-2015-3436
CWE-59Published: June 9, 2015· Updated: Jun 17, 2026
6.6
CVSS v3.1
Official Description
provider/server/ECServer.cpp in Zarafa Collaboration Platform (ZCP) before 7.1.13 and 7.2.x before 7.2.1 allows local users to write to arbitrary files via a symlink attack on /tmp/zarafa-upgrade-lock.
Technical Analysis
CVE-2015-3436 requires local access, meaning attackers must already have a foothold on the target system.
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 VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityC
AvailabilityC
AV:L/AC:L/Au:N/C:N/I:C/A:C
Affected Vendors & Products
zarafa1 product(s)
zarafa collaboration platform
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 (8)
Quick Facts
CVE IDCVE-2015-3436
CVSS Score6.6 / 10
SeverityMEDIUM
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedJun 9, 2015
Related CVEs (CWE-59)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-3436 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. CVE data is provided under the NVD usage policy.