CVE-2019-19374

Exp

An issue was discovered in core/assets/form/form_question_types/form_question_type_file_upload/form_question_type_file_upload.inc in Squiz Matrix CMS 5.5.0 prior to 5.5.0.3, 5.5.1 prior to 5.5.1.8, 5.5.2 prior to 5.5.2.4, and 5.5.3 prior to 5.5.3.3 where a user can delete arbitrary files from the server during interaction with the File Upload field type, when a custom form exists. (This is related to an information disclosure issue within the File Upload field type that allows users to view the full path to uploaded files, including the product's web root directory.)

Published: 2019-12-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-19374 is rated High Exploit Risk (67.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.33%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2019-19374

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-19374

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 3.47% 0.33% -3.14%
2 2025-11-18 0.33% 3.47% +3.14%
3 2025-10-14 0.33%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-19374

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.2 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-19374

Affected software / configurations for CVE-2019-19374

Vendor Product Version Raw CPE
squiz matrix >= 5.5.0.0, < 5.5.0.3 cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:*
squiz matrix >= 5.5.1.0, < 5.5.1.8 cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:*
squiz matrix >= 5.5.2.0, < 5.5.2.4 cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:*
squiz matrix >= 5.5.3.0, < 5.5.3.3 cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:*

References for CVE-2019-19374

cvelogic Threat Intelligence