How severe is CVE-2014-4000?

CVE-2014-4000 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-4000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4000?

CVE-2014-4000 affects Cacti. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-4000?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-4000 published?

CVE-2014-4000 was published on 2017-11-15 and last updated on 2026-06-17.

CVE-2014-4000

CVE-2014-4000 is a high-severity vulnerability in Cacti with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cacti
Published: 2017-11-15
Last modified: 2026-06-17

Description

Cacti before 1.0.0 allows remote authenticated users to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object, related to calling unserialize(stripslashes()).

Frequently asked questions

What is CVE-2014-4000?: Cacti before 1.0.0 allows remote authenticated users to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object, related to calling unserialize(stripslashes()).
How severe is CVE-2014-4000?: CVE-2014-4000 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-4000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4000?: CVE-2014-4000 affects Cacti. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-4000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-4000 published?: CVE-2014-4000 was published on 2017-11-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*

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