HOMEVULNERABILITIESCVE-2015-9284
HIGH

CVE-2015-9284

CWE-352Published: April 26, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

The request phase of the OmniAuth Ruby gem (1.9.1 and earlier) is vulnerable to Cross-Site Request Forgery when used as part of the Ruby on Rails framework, allowing accounts to be connected without user intent, user interaction, or feedback to the user. This permits a secondary account to be able to sign into the web application as the primary account.

NVD Source

Technical Analysis

CVE-2015-9284 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

omniauth1 product(s)
omniauth
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/omniauth/omniauth/pull/809
PATCHhttps://www.openwall.com/lists/oss-security/2015/05/26/11
PATCHhttps://github.com/omniauth/omniauth/pull/809
PATCHhttps://www.openwall.com/lists/oss-security/2015/05/26/11
ADVISORYhttps://github.com/omniauth/omniauth-rails/pull/1
ADVISORYhttps://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284
ADVISORYhttps://github.com/omniauth/omniauth-rails/pull/1
ADVISORYhttps://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284

All References (8)

→
https://github.com/omniauth/omniauth-rails/pull/1Third Party Advisory
→
https://github.com/omniauth/omniauth/pull/809Patch · Third Party Advisory
→
https://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284Mitigation · Third Party Advisory
→
https://www.openwall.com/lists/oss-security/2015/05/26/11Mailing List · Patch · Third Party Advisory
→
https://github.com/omniauth/omniauth-rails/pull/1Third Party Advisory
→
https://github.com/omniauth/omniauth/pull/809Patch · Third Party Advisory
→
https://github.com/omniauth/omniauth/wiki/Resolving-CVE-2015-9284Mitigation · Third Party Advisory
→
https://www.openwall.com/lists/oss-security/2015/05/26/11Mailing List · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2015-9284
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedApr 26, 2019

Related CVEs (CWE-352)

CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2017-5145
10.0
CVE-2017-5959
9.8
CVE-2024-56012
9.8
CVE-2020-23426
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-9284 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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