Vulnerability · Published Aug 18, 2022 · Assigned by mitre
CVE-2020-36599
Critical 9.8
In plain English
A critical-severity security flaw in the ruby-omniauth package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 31.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
lib/omniauth/failure_endpoint.rb in OmniAuth before 1.9.2 (and before 2.0) does not escape the message_key value.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ruby-omniauth | 2.0.4-2 | DEBIAN-CVE-2020-36599 |
| Debian:13 | ruby-omniauth | 2.0.4-2 | DEBIAN-CVE-2020-36599 |
| Debian:14 | ruby-omniauth | 2.0.4-2 | DEBIAN-CVE-2020-36599 |
| RubyGems | omniauth | 1.9.2 | GHSA-pm55-qfxr-h247 |
| RubyGems | omniauth | 2.0.0 | GHSA-pm55-qfxr-h247 |
| Ubuntu:22.04:LTS | ruby-omniauth | no fix listed | UBUNTU-CVE-2020-36599 |
| Ubuntu:24.04:LTS | ruby-omniauth | no fix listed | UBUNTU-CVE-2020-36599 |
| Ubuntu:25.10 | ruby-omniauth | no fix listed | UBUNTU-CVE-2020-36599 |
| Ubuntu:26.04:LTS | ruby-omniauth | no fix listed | UBUNTU-CVE-2020-36599 |
| Ubuntu:26.10 | ruby-omniauth | no fix listed | UBUNTU-CVE-2020-36599 |