How severe is CVE-2019-15766?

CVE-2019-15766 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-2019-15766 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-2019-15766?

CVE-2019-15766 affects Kslabs Ksweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15766?

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-2019-15766 published?

CVE-2019-15766 was published on 2019-10-03 and last updated on 2026-06-17.

CVE-2019-15766

CVE-2019-15766 is a high-severity vulnerability in Kslabs Ksweb 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Kslabs Ksweb
Published: 2019-10-03
Last modified: 2026-06-17

Description

The KSLABS KSWEB (aka ru.kslabs.ksweb) application 3.93 for Android allows authenticated remote code execution via a POST request to the AJAX handler with the configFile parameter set to the arbitrary file to be written to (and the config_text parameter set to the content of the file to be created). This can be a PHP file that is written to in the public web directory and subsequently executed. The attacker must have network connectivity to the PHP server that is running on the Android device.

Frequently asked questions

What is CVE-2019-15766?: The KSLABS KSWEB (aka ru.kslabs.ksweb) application 3.93 for Android allows authenticated remote code execution via a POST request to the AJAX handler with the configFile parameter set to the arbitrary file to be written to (and the config_text parameter set to the content of the file to be created). This can be a PHP file that is written to in the public web directory and subsequently executed. The attacker must have network connectivity to the PHP server that is running on the Android device.
How severe is CVE-2019-15766?: CVE-2019-15766 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-2019-15766 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-2019-15766?: CVE-2019-15766 affects Kslabs Ksweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15766?: 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-2019-15766 published?: CVE-2019-15766 was published on 2019-10-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kslabs:ksweb:3.93:*:*:*:*:android:*:*

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CVE-2019-16198 — Medium (CVSS 6.5): KSLabs KSWEB 3.93 allows ../ directory traversal, as demonstrated by the hostFile parameter.

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