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% (65th 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% (65th 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% (65th 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:*:*:*:*:*:*:*:*

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