CVE-2021-3138

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 86.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-01-14 03:30Z5 YR AGO

Last updated

2024-08-03 16:45Z2 YR AGO

Reserved

2021-01-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-307Improper Restriction of Excessive Authentication AttemptsBase

Data version

5.1

Document digest

98409b96b0eabfa95a3e1ca0bf3cd80e35ce15f9f441d19582b55a24ab8f1ca4

• github.comhttps://github.com/discourse/discourse/releasesx_refsource_MISC
• github.comhttps://github.com/Mesh3l911/Disourcex_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.htmlx_refsource_MISC