CVE Tools
Sign in

CVE-2019-11027

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to cri...

Published: Jun 10, 2019Updated: Nov 21, 2024 Sources: CVE List NVD GHSANVD-CWE-noinfo
9.8CRITICAL
NVD MITRE
EPSS Score
3.0%
Top 14.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

ruby-openid SSRF via claimed_id request

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

RubyGems
package-ecosystem
ruby-openid
OSS Libraries
openid
oss-projectaka openid connect, openid4java
ruby-openidOn-prem
Security Products / identity-access-mgmt
and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2019-11027?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://nvd.nist.gov/vuln/detail/CVE-2019-11027
nvd.nist.gov
https://github.com/openid/ruby-openid/issues/122
github.com
https://github.com/openid/ruby-openid/commit/d181a8a2099c64365a1d24b29f6b6b646673a131
github.com
and 6 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2019-11027 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows