How severe is CVE-2016-10709?

CVE-2016-10709 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-10709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10709?

CVE-2016-10709 affects Pfsense. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10709?

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-2016-10709 published?

CVE-2016-10709 was published on 2018-01-22 and last updated on 2026-06-17.

CVE-2016-10709

CVE-2016-10709 is a high-severity vulnerability in Pfsense with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 34% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 34% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Pfsense
Published: 2018-01-22
Last modified: 2026-06-17

Description

pfSense before 2.3 allows remote authenticated users to execute arbitrary OS commands via a '|' character in the status_rrd_graph_img.php graph parameter, related to _rrd_graph_img.php.

Frequently asked questions

What is CVE-2016-10709?: pfSense before 2.3 allows remote authenticated users to execute arbitrary OS commands via a '|' character in the status_rrd_graph_img.php graph parameter, related to _rrd_graph_img.php.
How severe is CVE-2016-10709?: CVE-2016-10709 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-10709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10709?: CVE-2016-10709 affects Pfsense. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10709?: 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-2016-10709 published?: CVE-2016-10709 was published on 2018-01-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

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