CVE-2009-4501

mediumpriority · track · 33EPSS 0.085 · 95 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

8.53% (95th) EPSS

CVSS 5 · medium

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

The zbx_get_next_field function in libs/zbxcommon/str.c in Zabbix Server before 1.6.8 allows remote attackers to cause a denial of service (crash) via a request that lacks expected separators, which triggers a NULL pointer dereference, as demonstrated using the Command keyword.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-10432Zabbix Server - Multiple Vulnerabilitiesfunctional · exploit_db

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
zabbix zabbix≤ 1.6.7nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.1.2nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.1.3nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.1.4nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.1.5nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.4.2nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.4.3nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.4.4nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.4.6nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
zabbix zabbix= 1.6.6nvdUScpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-12-31modified 2026-06-16

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+21023 more

references (8)

External citations — patches, advisories, analysis.

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