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Vulnerability details: VCID-1pjk-5a4d-ekce
Vulnerability ID VCID-1pjk-5a4d-ekce
Aliases CVE-2020-35700
GHSA-h59f-p56g-g75v
Summary SQL Injection A second-order SQL injection issue in `Widgets/TopDevicesController.php` (aka the Top Devices dashboard widget) of LibreNMS allows remote authenticated attackers to execute arbitrary SQL commands via the sort_order parameter against the `/ajax/form/widget-settings` endpoint.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
epss 0.00076 https://api.first.org/data/v1/epss?cve=CVE-2020-35700
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-h59f-p56g-g75v
cvssv3.1 8.8 https://github.com/librenms/librenms/blob/master/app/Http/Controllers/Widgets/TopDevicesController.php
generic_textual HIGH https://github.com/librenms/librenms/blob/master/app/Http/Controllers/Widgets/TopDevicesController.php
cvssv3.1 8.8 https://github.com/librenms/librenms/issues/12405
generic_textual HIGH https://github.com/librenms/librenms/issues/12405
cvssv3.1 8.8 https://github.com/librenms/librenms/pull/12422
generic_textual HIGH https://github.com/librenms/librenms/pull/12422
cvssv3.1 8.8 https://github.com/librenms/librenms/releases/tag/21.1.0
generic_textual HIGH https://github.com/librenms/librenms/releases/tag/21.1.0
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-35700
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-35700
cvssv3.1 8.8 https://www.horizon3.ai/disclosures/librenms-second-order-sqli
generic_textual HIGH https://www.horizon3.ai/disclosures/librenms-second-order-sqli
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-35700
https://github.com/librenms/librenms/blob/master/app/Http/Controllers/Widgets/TopDevicesController.php
https://github.com/librenms/librenms/issues/12405
https://github.com/librenms/librenms/pull/12422
https://github.com/librenms/librenms/releases/tag/21.1.0
https://www.horizon3.ai/disclosures/librenms-second-order-sqli
CVE-2020-35700 https://nvd.nist.gov/vuln/detail/CVE-2020-35700
GHSA-h59f-p56g-g75v https://github.com/advisories/GHSA-h59f-p56g-g75v
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/librenms/librenms/blob/master/app/Http/Controllers/Widgets/TopDevicesController.php
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/librenms/librenms/issues/12405
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/librenms/librenms/pull/12422
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/librenms/librenms/releases/tag/21.1.0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35700
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://www.horizon3.ai/disclosures/librenms-second-order-sqli
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.22784
EPSS Score 0.00076
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:20:47.721888+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/librenms/librenms/CVE-2020-35700.yml 38.6.0