matyhtf framework v3.0.5 is affected by a path manipulation vulnerability in Smarty.class.php.
CVE-2021-43676
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 31% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 68.9%
- KEV
- Not listed
Published
December 3, 2021
Last Modified
November 21, 2024
References (2)
- cve@mitrehttps://github.com/matyhtf/framework/issues/206
- af854a3a-2127-422b-91ae-364da2661108https://github.com/matyhtf/framework/issues/206
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| matyhtf/framework | — | 3.0.6 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2021-43676?
CVE-2021-43676 is a critical vulnerability published on December 3, 2021. matyhtf framework v3.0.5 is affected by a path manipulation vulnerability in Smarty.class.php.
When was CVE-2021-43676 disclosed?
CVE-2021-43676 was first published in the National Vulnerability Database on December 3, 2021, 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-2021-43676 actively exploited?
CVE-2021-43676 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-43676?
CVE-2021-43676 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-43676?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43676, 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-2021-43676
Is Your Infrastructure Affected by CVE-2021-43676?
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