How severe is CVE-2018-1000119?

CVE-2018-1000119 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1000119 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000119?

CVE-2018-1000119 primarily affects Sinatrarb Rack-protection. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1000119?

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

When was CVE-2018-1000119 published?

CVE-2018-1000119 was published on 2018-03-07 and last updated on 2026-06-17.

CVE-2018-1000119

CVE-2018-1000119 is a medium-severity vulnerability in Sinatrarb Rack-protection with a CVSS 3.x base score of 5.9. 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Sinatrarb Rack-protection
Published: 2018-03-07
Last modified: 2026-06-17

Description

Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to have been fixed in 1.5.5 and 2.0.0.

Frequently asked questions

What is CVE-2018-1000119?: Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to have been fixed in 1.5.5 and 2.0.0.
How severe is CVE-2018-1000119?: CVE-2018-1000119 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1000119 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000119?: CVE-2018-1000119 primarily affects Sinatrarb Rack-protection. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1000119?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000119 published?: CVE-2018-1000119 was published on 2018-03-07 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:sinatrarb:rack-protection:*:*:*:*:*:*:*:*
cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:sinatrarb:rack-protection:2.0.0:rc3:*:*:*:*:*:*

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