How severe is CVE-2018-3777?

CVE-2018-3777 has a CVSS 3.x base score of 9.8, 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 high, and availability high.

Is CVE-2018-3777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3777?

CVE-2018-3777 affects Restforce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3777?

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-2018-3777 published?

CVE-2018-3777 was published on 2018-08-03 and last updated on 2026-06-17.

CVE-2018-3777

CVE-2018-3777 is a critical-severity vulnerability in Restforce with a CVSS 3.x base score of 9.8. 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-172.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-172
Affected product: Restforce
Published: 2018-08-03
Last modified: 2026-06-17

Description

Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.

Frequently asked questions

What is CVE-2018-3777?: Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.
How severe is CVE-2018-3777?: CVE-2018-3777 has a CVSS 3.x base score of 9.8, 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 high, and availability high.
Is CVE-2018-3777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3777?: CVE-2018-3777 affects Restforce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3777?: 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-2018-3777 published?: CVE-2018-3777 was published on 2018-08-03 and last updated on 2026-06-17.

References

https://github.com/restforce/restforce/pull/392

Affected products (1)

cpe:2.3:a:restforce:restforce:*:*:*:*:*:ruby:*:*

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