How severe is CVE-2018-16710?

CVE-2018-16710 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2018-16710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16710?

CVE-2018-16710 affects Octoprint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16710?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-16710 published?

CVE-2018-16710 was published on 2018-09-07 and last updated on 2026-06-17.

CVE-2018-16710

CVE-2018-16710 is a critical-severity vulnerability in Octoprint with a CVSS 3.x base score of 9.1. 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-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Octoprint
Published: 2018-09-07
Last modified: 2026-06-17

Description

OctoPrint through 1.3.9 allows remote attackers to obtain sensitive information or cause a denial of service via HTTP requests on port 8081. NOTE: the vendor disputes the significance of this report because their documentation states that with "blind port forwarding ... Putting OctoPrint onto the public internet is a terrible idea, and I really can't emphasize that enough.

Frequently asked questions

What is CVE-2018-16710?: OctoPrint through 1.3.9 allows remote attackers to obtain sensitive information or cause a denial of service via HTTP requests on port 8081. NOTE: the vendor disputes the significance of this report because their documentation states that with "blind port forwarding ... Putting OctoPrint onto the public internet is a terrible idea, and I really can't emphasize that enough.
How severe is CVE-2018-16710?: CVE-2018-16710 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2018-16710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16710?: CVE-2018-16710 affects Octoprint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-16710 published?: CVE-2018-16710 was published on 2018-09-07 and last updated on 2026-06-17.

References

https://github.com/foosel/OctoPrint/issues/2814

Affected products (1)

cpe:2.3:a:octoprint:octoprint:*:*:*:*:*:*:*:*

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