CVE-2019-12585

CRITICAL

Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution issue in apcupsd_status.php.

Affects 2 products across 2 vendors.

BCS7.75
CVSS 3.09.8
EPSS5.0%
Percentile91th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-78: OS Command Injection

Attacker injects OS commands through application inputs passed to system() or equivalent calls, leading to arbitrary command execution.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2019. A critical vulnerability affects Apcupsd systems (CVE-2019-12585). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-191710-C • Model: rule-based-v1 • Confidence: MEDIUM

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2019-12585?
This vulnerability was disclosed in 2019. A critical vulnerability affects Apcupsd systems (CVE-2019-12585). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-12585?
CVE-2019-12585 has CVSS 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 5.0%.
Is CVE-2019-12585 actively exploited?
No confirmed active exploitation of CVE-2019-12585 as of 2026-06-22.
How do I remediate CVE-2019-12585?
Priority: MEDIUM. Advisory: https://github.com/pfsense/FreeBSD-ports/commit/b492c0ea47aba8dde2f14183e71498ba207594e3
What systems are affected by CVE-2019-12585?
CVE-2019-12585 affects: Apcupsd, Netgate.
Vulnerability Details
CVE IDCVE-2019-12585
BSIDBS-2019-GLOBAL-191710-C BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2019-06-03
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
SourceNVD
Official Description

Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution issue in apcupsd_status.php.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution issue in apcupsd_status.php. CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Apcupsd Apcupsd
Netgate Pfsense
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 2596 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash2abf2bc6df2c596a6db695d768b7e7c987f5c430e76004390a0bca01034debe1036d0e995ba66c300674edfb4311bfc837bdec367f172d889defc13994b173cf
Related CVEs affecting Apcupsd
CVE-2003-0098 10.0 Unknown vulnerability in apcupsd before 3.8.6, and 3.10.x before 3.10.5, allo... CVE-2017-7884 8.4 In Adam Kropelin adk0212 APC UPS Daemon through 3.14.14, the default installa... CVE-2019-12584 6.1 Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other produ...
View all Apcupsd CVEs →

Critical Severity - Know Your Exposure

A CVSS 9.8 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Check Your Assets Free →