What’s Vulnerable › Vulnerabilities

CVE-2019-1020017

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-29 · updated 2026-06-17

Description

Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via a user-api OTP.

Affected products

• discourse: before 2.3.0; 2.4.0-beta1, 2.4.0-beta2 — fixed in 2.3.0

How to fix

Upgrade to a fixed version: discourse 2.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/discourse/discourse/commit/b8340c6c8e50a71ff1bca9654b9126ca5a84ce9a
• https://github.com/discourse/discourse/commit/e6e47f2fb22764c92aaa90445c7bf203192fba11
• https://github.com/discourse/discourse/commit/b8340c6c8e50a71ff1bca9654b9126ca5a84ce9a
• https://github.com/discourse/discourse/commit/e6e47f2fb22764c92aaa90445c7bf203192fba11

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