CVE-2022-21721

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.0% 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:N/I:N/A:H

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

2022-01-28 22:00Z4 YR AGO

Last updated

2025-05-05 16:33Z1 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.1

Document digest

abbc22bd13245e61eb0a84356cc7c73b3c8c6e52354e644ff828553d6bbaca42

• github.comhttps://github.com/vercel/next.js/security/advisories/GHSA-wr66-vrwm-5g5xx_refsource_CONFIRM
• github.comhttps://github.com/vercel/next.js/pull/33503x_refsource_MISC
• github.comhttps://github.com/vercel/next.js/releases/tag/v12.0.9x_refsource_MISC