PT-2021-19276 · Discourse · Discourse

Mesh3L_911 · Published 2021-01-14 · Updated 2024-03-06 · CVE-2021-3138

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Discourse versions 2.7.0 through beta1

Description A rate-limit bypass issue leads to a bypass of the 2FA requirement for certain forms.

Recommendations For versions 2.7.0 through beta1, update to a version that includes a fix for the rate-limit bypass issue to prevent 2FA bypass for certain forms. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

BIT-DISCOURSE-2021-3138

CVE-2021-3138

Affected Products

Discourse

References · 7

• 🔥 http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.html · Exploit
• https://osv.dev/vulnerability/BIT-discourse-2021-3138 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3138 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3138 · Vendor Advisory
• https://github.com/discourse/discourse/releases · Note
• https://github.com/Mesh3l911/Disource · Note
• https://t.me/cibsecurity/22146 · Telegram Post