How severe is CVE-2017-1000480?

CVE-2017-1000480 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000480?

CVE-2017-1000480 affects Smarty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000480?

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-2017-1000480 published?

CVE-2017-1000480 was published on 2018-01-03 and last updated on 2026-06-17.

CVE-2017-1000480

CVE-2017-1000480 is a critical-severity vulnerability in Smarty with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Smarty
Published: 2018-01-03
Last modified: 2026-06-17

Description

Smarty 3 before 3.1.32 is vulnerable to a PHP code injection when calling fetch() or display() functions on custom resources that does not sanitize template name.

Frequently asked questions

What is CVE-2017-1000480?: Smarty 3 before 3.1.32 is vulnerable to a PHP code injection when calling fetch() or display() functions on custom resources that does not sanitize template name.
How severe is CVE-2017-1000480?: CVE-2017-1000480 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1000480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000480?: CVE-2017-1000480 affects Smarty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000480?: 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-2017-1000480 published?: CVE-2017-1000480 was published on 2018-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:*

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