What’s Vulnerable › Vulnerabilities

CVE-2011-3263

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-08-19 · updated 2026-06-16
• Weakness: CWE-399

Description

zabbix_agentd in Zabbix before 1.8.6 and 1.9.x before 1.9.4 allows context-dependent attackers to cause a denial of service (CPU consumption) by executing the vfs.file.cksum command for a special device, as demonstrated by the /dev/urandom device.

Affected products

• Zabbix: through 1.8.5; 1.1, 1.1-beta10, 1.1-beta11, 1.1-beta12, 1.1-beta2, 1.1-beta3 (+64)

References

• http://www.zabbix.com/rn1.8.6.php
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69378
• https://support.zabbix.com/browse/ZBX-3794
• http://www.zabbix.com/rn1.8.6.php
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69378
• https://support.zabbix.com/browse/ZBX-3794

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