CVE-2009-4112

CVE-2009-4112 is a critical-severity vulnerability in Cacti with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Description

Cacti 0.8.7e and earlier allows remote authenticated administrators to gain privileges by modifying the "Data Input Method" for the "Linux - Get Memory Usage" setting to contain arbitrary commands.

Frequently asked questions

What is CVE-2009-4112?
Cacti 0.8.7e and earlier allows remote authenticated administrators to gain privileges by modifying the "Data Input Method" for the "Linux - Get Memory Usage" setting to contain arbitrary commands.
How severe is CVE-2009-4112?
CVE-2009-4112 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2009-4112 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4112?
CVE-2009-4112 primarily affects Cacti. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4112?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-4112 published?
CVE-2009-4112 was published on 2009-11-30 and last updated on 2026-06-16.

References

Affected products (16)

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