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CVE-2009-4502· NVD / CVE Program· CNA mitre

The NET_TCP_LISTEN function in net.c in Zabbix Agent before 1.6.7, when running on FreeBSD or Solaris, allows remote attackers to bypass the

The NET_TCP_LISTEN function in net.c in Zabbix Agent before 1.6.7, when running on FreeBSD or Solaris, allows remote attackers to bypass the EnableRemoteCommands setting and execute arbitrary commands via shell metacharacters in the argument to net.tcp.listen. NOTE: this attack is limited to attacks from trusted IP addresses.

CriticalCVSS 9.3 · v2.0—Weaponized Fix available
Published
Dec 31, 2009
Updated
Jun 16, 2026
EPSS
21.6% · 98th percentile
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Report tools

JSON

Action score

43

Plan

Add it to your regular patch cycle.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
6 / 30 · 21.6%

Affected systems

VendorProduct
zabbixzabbix
freebsdfreebsd
sunsolaris

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • zabbix zabbixup to 1.6.6 inclusive
  • zabbix zabbix1.1.2
  • zabbix zabbix1.1.3
  • zabbix zabbix1.1.4
  • zabbix zabbix1.1.5
  • zabbix zabbix1.4.2
  • zabbix zabbix1.4.3
  • zabbix zabbix1.4.4
  • zabbix zabbix1.4.6

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12zabbixbefore 1:1.8-11:1.8-1

Same product

zabbix: all records

Other highest-scoring records for the same primary product.

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    98Now
  • CVE-2022-23134Possible view of the setup pages by unauthenticated users if config file already existsKEV
    80Now
  • CVE-2016-10134SQL injection vulnerability in Zabbix before 2.2.14 and 3.0 before 3.0.4 allows remote attackers to execute arbitrary SQL commands via the t
    64This week
  • CVE-2024-42327SQL injection in user.get API
    63This week
  • CVE-2013-5743Multiple SQL injection vulnerabilities in Zabbix 1.8.x before 1.8.18rc1, 2.0.x before 2.0.9rc1, and 2.1.x before 2.1.7.
    63This week
  • CVE-2024-22120Time Based SQL Injection in Zabbix Server Audit Log
    58Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:zabbix1:1.8-1 · Debian:12Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2010-07-03
Exploit-DB entrywebapps2009-12-14
Metasploit moduleexploit/unix/misc/zabbix_agent_execZabbix Agent net.tcp.listen Command Injectionexploit2009-09-10

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-113 d
  2. First PoC-18 d
  3. Published
  4. TodaySep 30, 2026+6117 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-264 · Permissions, Privileges, and Access Controls

    CVSS vector

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

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records