CVE-2011-1028

CRITICALNVD 9.89.8—

9.8

The $smarty.template variable in Smarty3 allows attackers to possibly execute arbitrary PHP code via the sysplugins/smarty_internal_compile_private_special_variable.php file.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 66.9%
KEV: Not listed

Published

November 20, 2019

Last Modified

November 21, 2024

References (6)

secalert@redhathttps://access.redhat.com/security/cve/cve-2011-1028
secalert@redhathttps://seclists.org/oss-sec/2011/q1/313
secalert@redhathttps://security-tracker.debian.org/tracker/CVE-2011-1028
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/cve-2011-1028
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/oss-sec/2011/q1/313
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2011-1028

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
smarty/smarty	v2.6.24 ... v2.6.33 (9 versions)	3.0.7	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 11:28 UTCEG score recompute
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 10:46 UTCOSV refresh
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Frequently asked(5)

What is CVE-2011-1028?

CVE-2011-1028 is a critical vulnerability published on November 20, 2019. The $smarty.template variable in Smarty3 allows attackers to possibly execute arbitrary PHP code via the sysplugins/smartyinternalcompileprivatespecial_variable.php file.

When was CVE-2011-1028 disclosed?

CVE-2011-1028 was first published in the National Vulnerability Database on November 20, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-1028 actively exploited?

CVE-2011-1028 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2011-1028?

CVE-2011-1028 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2011-1028?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1028, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2011-1028

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