How severe is CVE-2017-1000194?

CVE-2017-1000194 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-2017-1000194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000194?

CVE-2017-1000194 affects Octobercms October. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000194?

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-2017-1000194 published?

CVE-2017-1000194 was published on 2017-11-17 and last updated on 2026-06-17.

CVE-2017-1000194

CVE-2017-1000194 is a critical-severity vulnerability in Octobercms October 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: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Octobercms October
Published: 2017-11-17
Last modified: 2026-06-17

Description

October CMS build 412 is vulnerable to Apache configuration modification via file upload functionality resulting in site compromise and possibly other applications on the server.

Frequently asked questions

What is CVE-2017-1000194?: October CMS build 412 is vulnerable to Apache configuration modification via file upload functionality resulting in site compromise and possibly other applications on the server.
How severe is CVE-2017-1000194?: CVE-2017-1000194 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-2017-1000194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000194?: CVE-2017-1000194 affects Octobercms October. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000194?: 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-2017-1000194 published?: CVE-2017-1000194 was published on 2017-11-17 and last updated on 2026-06-17.

References

https://github.com/octobercms/october/compare/v1.0.412...v1.0.413#diff-c328b7b99eac0d17b3c71eb37038fd61R224

Affected products (1)

cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*

More vulnerabilities in Octobercms October

CVE-2021-3311 — Critical (CVSS 9.8): An issue was discovered in October through build 471. It reactivates an old session ID (which had been invalid after a…
CVE-2017-1000197 — Critical (CVSS 9.8): October CMS build 412 is vulnerable to file path modification in asset move functionality resulting in creating…
CVE-2017-1000196 — Critical (CVSS 9.8): October CMS build 412 is vulnerable to PHP code execution in the asset manager functionality resulting in site…
CVE-2023-44382 — Critical (CVSS 9.1): October is a Content Management System (CMS) and web platform to assist with development workflow. An authenticated…
CVE-2021-32650 — High (CVSS 8.8): October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework. Prior to…
CVE-2021-32649 — High (CVSS 8.8): October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework. Prior to…

All CVEs affecting Octobercms October →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-75949 — Critical (CVSS 10.0): Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 -…
CVE-2026-74803 — Critical (CVSS 10.0): Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts…
CVE-2026-66665 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Type Hub <= 2.0.6 versions.
CVE-2026-61900 — Critical (CVSS 10.0): Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla…
CVE-2026-61424 — Critical (CVSS 10.0): Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-Classifieds < 3.11.2 - The Joomla…
CVE-2026-57719 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in CodeRevolution Aimogen Pro aimogen-pro allows Using…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →