CVE-2021-29624

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

0.83% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 54.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-05-19 21:15Z5 YR AGO

Last updated

2024-08-03 22:11Z2 YR AGO

Reserved

2021-03-30

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-565Reliance on Cookies without Validation and Integrity CheckingBase
• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.1

Document digest

1f9801b0efb89cb356bcd0ff1ced19bcb3458a07683a8fc5403788a1d90d0f03

• github.comhttps://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8x_refsource_CONFIRM
• github.comhttps://github.com/fastify/csrf/pull/2x_refsource_MISC
• github.comhttps://github.com/fastify/fastify-csrf/pull/51x_refsource_MISC
• cheatsheetseries.owasp.orghttps://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.htmlx_refsource_MISC
• github.comhttps://github.com/fastify/fastify-csrf/releases/tag/v3.1.0x_refsource_MISC
• owasp.orghttps://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdfx_refsource_MISC