How severe is CVE-2019-20390?

CVE-2019-20390 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2019-20390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20390?

CVE-2019-20390 affects Intelliants Subrion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20390?

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-2019-20390 published?

CVE-2019-20390 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2019-20390

CVE-2019-20390 is a high-severity vulnerability in Intelliants Subrion with a CVSS 3.x base score of 8.1. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Intelliants Subrion
Published: 2020-05-15
Last modified: 2026-06-17

Description

A Cross-Site Request Forgery (CSRF) vulnerability was discovered in Subrion CMS 4.2.1 that allows a remote attacker to remove files on the server without a victim's knowledge, by enticing an authenticated user to visit an attacker's web page. The application fails to validate the CSRF token for a GET request. An attacker can craft a panel/uploads/read.json?cmd=rm URL (removing this token) and send it to the victim.

Frequently asked questions

What is CVE-2019-20390?: A Cross-Site Request Forgery (CSRF) vulnerability was discovered in Subrion CMS 4.2.1 that allows a remote attacker to remove files on the server without a victim's knowledge, by enticing an authenticated user to visit an attacker's web page. The application fails to validate the CSRF token for a GET request. An attacker can craft a panel/uploads/read.json?cmd=rm URL (removing this token) and send it to the victim.
How severe is CVE-2019-20390?: CVE-2019-20390 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2019-20390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20390?: CVE-2019-20390 affects Intelliants Subrion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20390?: 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-2019-20390 published?: CVE-2019-20390 was published on 2020-05-15 and last updated on 2026-06-17.

References

http://packetstormsecurity.com/files/157700/Subrion-CMS-4.2.1-Cross-Site-Request-Forgery.html

Affected products (1)

cpe:2.3:a:intelliants:subrion:4.2.1:*:*:*:*:*:*:*

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