CVE-2017-0909

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Summary

CVECVE-2017-0909
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-16 22:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003390000 probability, percentile 0.566820000 (date 2026-05-13)

Problem Types: CWE-184 | NVD-CWE-noinfo | CWE-184 Incomplete Blacklist (CWE-184)

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Private Address Check Project Private Address Check All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HackerOne Private Address Check Ruby Gem affected Versions before 0.4.1 Not specified

References

ReferenceSourceLinkTags
HackerOne af854a3a-2127-422b-91ae-364da2661108 hackerone.com Issue Tracking, Patch, Third Party Advisory
Increase exclusion list. by EdOverflow · Pull Request #3 · jtdowney/private_address_check · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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