CVE-2017-0909
CVE-2017-0909 is a critical-severity vulnerability in Private Address Check Project Private Address Check 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-184.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-184
- Affected product: Private Address Check Project Private Address Check
- Published:
- Last modified:
Description
The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.
Frequently asked questions
- What is CVE-2017-0909?
- The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.
- How severe is CVE-2017-0909?
- CVE-2017-0909 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-2017-0909 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-0909?
- CVE-2017-0909 affects Private Address Check Project Private Address Check. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-0909?
- 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-2017-0909 published?
- CVE-2017-0909 was published on 2017-11-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:private_address_check_project:private_address_check:*:*:*:*:*:ruby:*:*
More vulnerabilities in Private Address Check Project Private Address Check
- CVE-2017-0904 — High (CVSS 8.1): The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses…
- CVE-2018-3759 — Low (CVSS 3.7): private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to…
All CVEs affecting Private Address Check Project Private Address Check →
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