How severe is CVE-2016-3693?

CVE-2016-3693 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-3693 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3693?

CVE-2016-3693 affects Safemode Project Safemode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3693?

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-2016-3693 published?

CVE-2016-3693 was published on 2016-05-20 and last updated on 2026-06-17.

CVE-2016-3693

CVE-2016-3693 is a high-severity vulnerability in Safemode Project Safemode with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Safemode Project Safemode
Published: 2016-05-20
Last modified: 2026-06-17

Description

The Safemode gem before 1.2.4 for Ruby, when initialized with a delegate object that is a Rails controller, allows context-dependent attackers to obtain sensitive information via the inspect method.

Frequently asked questions

What is CVE-2016-3693?: The Safemode gem before 1.2.4 for Ruby, when initialized with a delegate object that is a Rails controller, allows context-dependent attackers to obtain sensitive information via the inspect method.
How severe is CVE-2016-3693?: CVE-2016-3693 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3693 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3693?: CVE-2016-3693 affects Safemode Project Safemode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3693?: 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-2016-3693 published?: CVE-2016-3693 was published on 2016-05-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:safemode_project:safemode:*:*:*:*:*:ruby:*:*

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