How severe is CVE-2019-15748?

CVE-2019-15748 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-2019-15748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15748?

CVE-2019-15748 affects Sitos Sitos Six. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15748?

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-2019-15748 published?

CVE-2019-15748 was published on 2019-10-07 and last updated on 2026-06-17.

CVE-2019-15748

CVE-2019-15748 is a critical-severity vulnerability in Sitos Sitos Six 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Sitos Sitos Six
Published: 2019-10-07
Last modified: 2026-06-17

Description

SITOS six Build v6.2.1 permits unauthorised users to upload and import a SCORM 2004 package by browsing directly to affected pages. An unauthenticated attacker could use the upload and import functionality to import a malicious SCORM package that includes a PHP file, which could execute arbitrary PHP code.

Frequently asked questions

What is CVE-2019-15748?: SITOS six Build v6.2.1 permits unauthorised users to upload and import a SCORM 2004 package by browsing directly to affected pages. An unauthenticated attacker could use the upload and import functionality to import a malicious SCORM package that includes a PHP file, which could execute arbitrary PHP code.
How severe is CVE-2019-15748?: CVE-2019-15748 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-2019-15748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15748?: CVE-2019-15748 affects Sitos Sitos Six. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15748?: 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-2019-15748 published?: CVE-2019-15748 was published on 2019-10-07 and last updated on 2026-06-17.

References

https://www.contextis.com/en/resources/advisories/cve-2019-15748

Affected products (1)

cpe:2.3:a:sitos:sitos_six:6.2.1:*:*:*:*:*:*:*

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