How severe is CVE-2019-12584?

CVE-2019-12584 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-12584 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12584?

CVE-2019-12584 primarily affects Apcupsd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12584?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-12584 published?

CVE-2019-12584 was published on 2019-06-03 and last updated on 2026-06-17.

CVE-2019-12584

CVE-2019-12584 is a medium-severity vulnerability in Apcupsd with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apcupsd
Published: 2019-06-03
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-12584?: Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an XSS issue in apcupsd_status.php.
How severe is CVE-2019-12584?: CVE-2019-12584 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-12584 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12584?: CVE-2019-12584 primarily affects Apcupsd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12584?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12584 published?: CVE-2019-12584 was published on 2019-06-03 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apcupsd:apcupsd:0.3.91_5:*:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense:2.4.4:-:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:*
cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*

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CVE-2003-0098 — Critical (CVSS 10.0): Unknown vulnerability in apcupsd before 3.8.6, and 3.10.x before 3.10.5, allows remote attackers to gain root…
CVE-2019-12585 — Critical (CVSS 9.8): Apcupsd 0.3.91_5, as used in pfSense through 2.4.4-RELEASE-p3 and other products, has an Arbitrary Command Execution…

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