How severe is CVE-2017-9428?

CVE-2017-9428 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-9428 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9428?

CVE-2017-9428 affects Bigtreecms Bigtree Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9428?

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-2017-9428 published?

CVE-2017-9428 was published on 2017-06-04 and last updated on 2026-06-17.

CVE-2017-9428

CVE-2017-9428 is a high-severity vulnerability in Bigtreecms Bigtree Cms with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Bigtreecms Bigtree Cms
Published: 2017-06-04
Last modified: 2026-06-17

Description

A directory traversal vulnerability exists in core\admin\ajax\developer\extensions\file-browser.php in BigTree CMS through 4.2.18 on Windows, allowing attackers to read arbitrary files via ..\ sequences in the directory parameter.

Frequently asked questions

What is CVE-2017-9428?: A directory traversal vulnerability exists in core\admin\ajax\developer\extensions\file-browser.php in BigTree CMS through 4.2.18 on Windows, allowing attackers to read arbitrary files via ..\ sequences in the directory parameter.
How severe is CVE-2017-9428?: CVE-2017-9428 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-9428 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9428?: CVE-2017-9428 affects Bigtreecms Bigtree Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9428?: 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-2017-9428 published?: CVE-2017-9428 was published on 2017-06-04 and last updated on 2026-06-17.

References

https://github.com/bigtreecms/BigTree-CMS/issues/289

Affected products (1)

cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*

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