HOMEVULNERABILITIESCVE-2009-4500
MEDIUM

CVE-2009-4500

CWE-119Published: December 31, 2009· Updated: Jun 16, 2026

5.0
CVSS v3.1

Official Description

The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.

NVD Source

Technical Analysis

CVE-2009-4500 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityP
AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Vendors & Products

zabbix1 product(s)
zabbix
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/37740
ADVISORYhttp://www.vupen.com/english/advisories/2009/3514
ADVISORYhttps://support.zabbix.com/browse/ZBX-993
ADVISORYhttp://secunia.com/advisories/37740
ADVISORYhttp://www.vupen.com/english/advisories/2009/3514
ADVISORYhttps://support.zabbix.com/browse/ZBX-993

All References (8)

→
http://secunia.com/advisories/37740Vendor Advisory
→
http://www.securityfocus.com/archive/1/508436/30/60/threaded
→
http://www.vupen.com/english/advisories/2009/3514Vendor Advisory
→
https://support.zabbix.com/browse/ZBX-993Vendor Advisory
→
http://secunia.com/advisories/37740Vendor Advisory
→
http://www.securityfocus.com/archive/1/508436/30/60/threaded
→
http://www.vupen.com/english/advisories/2009/3514Vendor Advisory
→
https://support.zabbix.com/browse/ZBX-993Vendor Advisory

Quick Facts

CVE IDCVE-2009-4500
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2009

Related CVEs (CWE-119)

CVE-2009-2753
10.0
CVE-2008-2469
10.0
CVE-2008-1320
10.0
CVE-2008-7031
10.0
CVE-2008-0151
10.0
CVE-2008-5120
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2009-4500 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.
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